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"Izanami" 440C high chromium stainless steel blade, hand-engraved 304 stainless steel bolsters, Nickel Magnesite gemstone handle, Rayskin inlaid in hand-carved leather sheath

Custom Knife Handle Materials: Horn, Bone, Ivory, and Shell

"Yarden" obverse side view in CPMS30V powder metal technology high vanadium tool steel blade, 304 stainless steel guard and pommel, Sambar Stag handle, hand-stamped heavy leather sheath
More about this "Yarden"

Horn, bone, shell, and ivories used in modern custom and handmade knife handle and component construction offer visual interest, tactile security, or great beauty and value. This page is about these natural materials.

Notice! As of July 6, 2016, there is a near-total ban on elephant ivory sales in the United States!

Please click on the items in the list below to jump down the page to details of each item or species.

Natural Animal Knife Handle Materials
Antler Horns Ivories Bone Pearl, Shell, Coral
Deer Antler Sheep Horn Elephant Ivory Animal Bone Mother of Pearl
Elk Antler Kudu Mammoth Ivory, Mastodon Ivory Jigged Bone Gold lipped Mother of Pearl
Sambar Stag Springbok Horn Walrus Tusk Giraffe Bone Tiger Coral
Stag (Scales) Impala Horn Fossil Walrus Tusk Oosic Abalone Shell
Stag (Crowns) Gazelle Horn Wart Hog Tusk Oosic, Fossil Paua Shell
Caribou Oryx Hippopotamus Tusk    
Special Treatments Cape Buffalo Horn Elk Ivory    
  Ox Horn Whale's Tooth    
  Cow Horn      
  Stabilized Horn      
"Nunavut" custom skinning knife, obverse side view in 440C high chromium stainless steel blade, hand-engraved 304 stainless steel bolsters, Musk Ox boss horn handle, hand-tooled leather sheath
More about this Nunavut Skinner


The history is rich. From the first time prehistoric man laced a bone handle to a piece of flint with some sinew, he realized the importance in this handle material. Bones, tusks, and antlers from living animals memorialized the hunt, perhaps personalized and anointed his knife with the spoils of his hunting efforts. There are good examples of carving ivory from as early as ancient Babylonia, 2300 B.C. The tradition of using animal parts for his handles continued throughout history, and continues today.

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Mule Deer (staghorn) handle on custom handmade knife: "Berger"
"Grizzly" early bowie knife with scrimshawed ivory mounted on sheath front in sterling bezel setting


Tradition, beauty, texture, and value.

Usually, the choice to use horn, bone, or ivory is one of tradition. Most of us grew up carrying jigged bone handled pocket knives, and in my day, we even carried our knives to school. Every boy had his own knife, and occasionally we would find one that had been dropped, or lost, laying in the dirt around the playground equipment. We would often play what we called "chicken," where we would throw the knife between the feet of our opponent in turns, and move our feet to the landing point of the blade, ever closer, until either one of our feet got stuck with the point of the knife, or we chickened out. Usually, our knives were so dull, they wouldn't penetrate a canvas tennis shoe. Man, things have changed today! Most of us are familiar with a stag handled hunting knife. This is the knife style our fathers and our grandfathers grew up with. You didn't take a wooden handled butcher's knife on a hunt, you took a stag handled knife. Again, this probably hearkens back to prehistoric principles of the hunt.

The choice to use horn, bone, shell, or ivory is also one of beauty. Nothing looks like a piece of stag, furrowed and rough. Fresh elephant ivory is a beautiful solid creamy color, suitable for engraving, carving, or scrimshaw. Mammoth ivory can have stunning patterns in rich browns, reds, and even blues. The shapes of many antlers and horns left in the round lend themselves to handles, the forms compliment knives and sometimes modern stands and fittings. Shells can have stunning iridescent light play and a smooth lustrous finish.

The texture of many of these materials helps improve grip strength. Many horns, bones, and ivories become sticky when wet, thus improving grip security when working. The texture adds visual interest and contrast to a smooth and polished blade. The texture of a fine organic material makes a transition between the cold, inorganic steel blade to the living, warm, moving hand. The polished texture of ivory has a smooth comfortable feel, jigged bone is attractive and secure in the hand.

Value is one of the more modern reasons to use this material. Ivories are hard to come by, ancient ivories are a limited resource. Mammoth and mastodon ivory, fossil walrus tusk, and fossil Oosic are some of the most valuable and sought after knife handle materials. Some shells, coral, and pearl families are rare and expensive. Many of these materials increase the value of the knife dramatically.

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Early knives, Mammoth Ivory on full tang knife handle: "Chaco"
"Yarden" obverse side view in CPMS30V powder metal technology high vanadium tool steel blade, 304 stainless steel guard and pommel, Sambar Stag handle, hand-stamped heavy leather sheath

Elephant Ivory with Malachite gemstone on "Altar of Atlantis"


The first problem with them is that all the materials listed on this page are somewhat porous, and this effects stability. There are lesser and greater degrees of porosity, and that helps with good choices for handle applications. Being porous and organic, these materials absorb moisture, loose moisture, absorb contaminants, salts, and soil. Extra care must be taken to keep the handle material clean and dry. Sudden changes in relative humidity (like moving from a damp forested environment to a dry air conditioned room) can cause such a variation in moisture content that the material shrinks and cracks away from bolsters, guards, or pins within hours.

Temperature also affects these materials radically. Putting a bone or ivory handled knife in the direct sun or under a bright display lamp for a couple hours can ruin it. Part of the problem is moisture content, but another factor is the coefficient of thermal expansion. Since the coefficient is much different than steel, movement can be outright extreme. Often, pins and epoxy do not prevent movement, and eventually the bone, horn, or ivory shrinks, checks, and cracks away from the pins, bolsters and tang. This does not necessarily mean the end of the knife. As long as the knife is kept reasonably dry, it should last in service.

Light can be another enemy. Many of these organic materials react to the long term exposure of light, sometimes bleaching and becoming flat in color and depth. Since they are usually laying on one side, the other side will not bleach, and then the knife looks like a different handle material was put on each side. On a hidden tang knife it can look as if it's been laying in the desert for a century. And the intensity of the light also adds to the effects of drying detailed above.

Sometimes, checking in ivory is an advantage. It testifies to the age of the knife handle, and elephant ivory is graceful and forgiving in its yellowing and checking. It's proof that it is indeed ivory, because replacements (like Micarta® and phenolic plastics) never change, age, or check.

Another disadvantage is toughness and hardness. Organic materials like horn, shell, bone, and ivory can easily be scratched, dented, scarred, and stained. Though some are tougher than others, they are not physically strong materials. Some are brittle, some are downright delicate so special care must be used in mounting them on the handle, and the knife and handle itself must be cared for with extra consideration.

Size and shape can be another limiting factor in knife handle design. Most of these materials are derived from curved pieces, and the geometry of the knife handle must incorporated these curves to exhibit the most from the handle material. Particularly, this can limit the width of the handle. Sections must sometimes be made thin to take advantage of the display area of the material, and this further threatens overall strength. That is why so many mammoth ivory handles, for instance, are used on smaller or folding knives. The curve of the tusk can not be fully applied to the handle flats if the handle is wide and large.

Legality: Some horns, bones, and ivory are banned! This takes some research, and you don't want some local or uneducated law enforcement person showing up at your home to confiscate your knife. This is becoming a serious issue, so it's best to avoid all organics that are restricted, like fresh ivory, rhino, walrus, tiger, or any other organics you are not absolutely certain are legal!

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Hello Jay
I acquired two black rhino horns in 1982 pre import ban and would like to no if you have an interest, and or if I commissioned you to build me a series of knifes and use them for the handles.

Seriously, all rhino species are critically endangered, and there are less than 5000 black rhinos left in the world today (at the time of this writing). I realize that you have old rhino horns, but do you have absolute proof of their origin? I'm certain you don't, for a slip of paper does not physically date organic horn, and that's your first legal hurdle.
The first international ban on rhino horn trade was in 1975, and even today there are continual efforts to strengthen management of rhino horn trophies and implements, which means lots of legal authorities confiscating, and fining, and imprisoning. Like walrus tusk and recent elephant tusk, it's just not reasonable to make knife handles nowadays out of them without a lot of headache. I don't want to be called to testify in your behalf about the origin of a knife handle I made.
There are much more durable and beautiful handle materials! Have you actually seen rhino horn finished? It's compressed hair (keratin) and rather boring and and not particularly distinctive or beautiful, and you really can't tell it from a water buffalo horn. The interest then is the romantic idea of the rhino horn, and not the beauty or durability of the substance. In my world, ideas can be inspiration, but the magic is in the process and execution, not the suggestion that you wrestled a 3000 pound beast to the ground to snap off his only protection from lions or other rhinos.

"Jungle King" Older/Early Work with cottonwood burl stand with Elephant ivory hangers
Jungle King

Ivory talons inlay mounted into blued guard of "Freedom's Promise" knife handle

Other Uses

Knife handles aren't the only use of horn, bone, and ivory. I often incorporate these materials into my display stands, sheaths, and even as accent components in the knives themselves. Nothing looks as rich and organic as ivory, polished horn, shell, or coral. It is quite common to see a fork of an antler used to support or elevate a knife on a display stand, and though that is where most of us start in our quest to display a knife, an evolution of that process is inevitable in the finer works.

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Early custom knife display stand of antler in polished petrified wood gemstone
Buffalo Hunter
Older/Early Work: "Hercules" with twisted ram's horn mounted to polished petrified wood gemstone display stand base

Polished Cow Horn on custom knife display stand: Cattleman

Horns and Antlers

Horns and antlers have been commonly used in knife handle construction for many millennia. Along with wood, horns and antlers are probably the oldest knife handle material. Horn and antler can be left rough, polished, or carved, sometimes scrimshawed or textured. Though they are similar and often referred to in the same reference, there are some important differences.

Horn is mostly a derivation of hair, actually hollow sheaths of keratin, tightly condensed and packed in a solid growth. Horns, such as cow horn and buffalo horn, are not shed annually, and commonly last the life of the animal. Horns are usually more dense than antlers.

Antlers are a porous bony appendage that are shed annually, so antlers are a renewable resource. Elk, mule deer and white tailed deer are good examples. These sheds can be a valuable find in the forests of our country, and many hikers go out in the early spring just to gather shed antlers. Antlers are usually more porous than horn. Some antlers are better than others.

Often, the terms horn and antler and stag are interchanged, which can cause some confusion. Each one deserves some special attention:

  • Deer Antler (also called stag horn, deer horn): In America, this comes from the annual sheds of both the Mule Deer and the Whitetail Deer. While it can be made into a serviceable knife handle, both these types of antler are rather porous, with a fairly tough outer shell. They are probably the least expensive of handle materials on this page. Availability is good, wear characteristics are poor to fair. Appearance is fair, contaminate staining is frequent. The best use of deer antler is by careful selection of thick, heavy portions that are on the surface of the antler. The only permanent method of construction and use for a fine custom knife is to have the antler professionally stabilized. See stabilized horn below. Polishes well.
  • Elk Antler (also called Elk horn) Comes from the annual sheds of the American Elk, a large deer species in America. Elk antlers are definitely a step up from deer antlers, as they are thicker, stronger, with a smaller central portion of porous material, and a thicker outer density. Availability is good, wear characteristics are fair to good. Appearance is fair, contaminate staining is frequent. As with deer antler, the best use is by careful selection of thick, heavy portions that are on the surface of the antler. The only permanent method of construction and use for a fine custom knife is to have the antler professionally stabilized. See stabilized horn below. Polishes well.
  • Sambar Stag Antler (also called Stag, India Stag, Stag, Axis Stag, Red Stag, Cut Stag, Midnight Stag): Comes from the Sambar deer or Cheetal deer of India and the Pacific rim countries. There was an embargo on Indian Sambar that was lifted once then reapplied, but the horn is available through other countries, and supplies can be found all over the web, so don't think it is in any way rare. Sambar stag is one of the mainstays of organic handle material in fine custom knives. Unlike deer and elk antler, it is hard, tough, solid and dense. Instead of a large porous central core, it has a small core, and a very solid outer shell, extending through most of the antler. It can have a beautiful brown textured surface, making it very attractive for knife handles, and a secure, comfortable gripping surface. Polishes well, resists most stains, good wear characteristics. It's more expensive than deer or elk antler, but well worth the expense. If you're set on having a traditional horn or antler handle, this is the material I recommend.
  • Antler Scales vs. Crowns (all deer, stag, and elk): There are two arrangements to antler or stag horn application on a knife handle. Scales are flat pieces slabbed from wide horns and applied to the flat sides of a full tang or folding knife handle. They are usually secured with bolster dovetails and pins. Crowns are the thick, wide flaring parts of the antler where it attaches to the animal's head. The crowns are usually used on hidden tang knives, where the tang is inserted into a hole drilled in the core of the antler and secured with pins, epoxy, or hidden methods. This creates a handle that appears as a solid piece of antler flaring out to the crown at the butt. The base of the crown is a good area for carving, engraving initials, inlaying monogram plates, gemstone, or other artwork. Antler crowns are also carved into belt buckles, conchos, or other jewelry or adornment and fittings. The most permanent method of construction and use for a fine custom knife is to have the antler professionally stabilized, unless it's Sambar Stag which is fairly tough and resilient.  See stabilized horn below.
  • Caribou horn: Thicker sections and a lighter color can make this an interesting handle choice. Same stability as antlers above.
  • Stag, horn, or antler treatments: There are ways to treat the antler before and after it is put on a knife that change the wear characteristics, the look, and the durability. One way is flame treatment, which burns the surface to a darker color, and hardens it somewhat. Stag can also be colored by stains or potassium permanganate baths. Another process is impregnation with hardening agents such as polymers, epoxies, cyanoacrilates, or sodium silicate. Probably the ultimate is pressure stabilization, done by several companies across this country, where liquid phenolics are forced under great pressures into the porosity of the material to fill any voids and essentially waterproof the material. The same process is used on hardwoods (see my wood knife handle page here). This is usually cost prohibitive on stag though, as stag is not considered as vulnerable or worthy of the treatment. I've used nearly all the treatments listed above to some degree.
  • Sheep Horn and Kudu (includes Merino Sheep or Dahl Sheep, Ram's Horn): Sheep horn is just as tough as Sambar stag, but with some heavy textural lines, and makes an interesting knife handle. Dark olive green to brown, with some translucency. Availability is good, horn instability is the same as other horn materials. It is often cut and steam flattened for use, which leads to questions about stability from moisture infiltration. Kudu horn is similar in shape and finish, both may be pressure stabilized and sealed.
  • Springbok, Impala, Gazelle, and Oryx (Gemsbok) horn: These are similar. Though they differ in shape, they have heavy ridges or texture along their length so that may in grip security when mounted on a knife handle. Their stability is the same as any antler, and they are commonly available.
  • Cape Buffalo Horn, Ox Horn: Another common horn used in knife handles. Very dense and fairly hard, it is much better than typical antlers. Usually black, but sometimes with white banding and other muted colors. Takes a glassy polish, some even looks like polished plastic.
  • Cow Horn: Though sometimes used on custom knife handles, I've only used it on stands. Variegated colors, white, gray, brown, black, olive. Polishes well.
  • Stabilized horn: Most of the horns and antlers listed on this page can be stabilized, that is impregnated with dyes and resinous or phenolic liquid plastics (polymers or phenolics) at high pressures, essentially making a block of plasticized horn material. Though this is done some, I think it holds a huge opportunity to stabilizing firms in the future. The materials become impervious to impregnation by liquids, they become waterproof, dimensional stability is increased, and performance is greatly improved. I suppose that the expense of stabilization is too high, and low-end knives are better suited to the use of non-stabilized horn and antler material. I do have some stabilized horn, though, and it works very well.

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Ivories and Tusks

Ivories are animal teeth. Ivories and tusks are unusually dense, some of the densest, hardest animal parts and remains. They are much less porous than bone, therefore last longer, are less apt to absorb liquids, and polish better. They are definitely a step up from bone and antler, but cost considerably more. However, they are not impervious to moisture damage, expansion and contraction, staining, and separation from the knife handle.

I read an ad copy on one web site and the claim is when you buy a custom carved ivory knife handle, "you will own an exclusive work of art that will defy time." What? Ivory shrinks, dries, checks, cracks, stains, and yellows. Time is an enemy of ivory, it will not defy time in any sense of the word. Such claims like this do our business and tradecraft a huge injustice. What handle material will defy time and even outlast the blade? Why, gemstone, of course.

Ivories have traditionally been the most favored of animal parts for knife handles, jewelry, and accessories, so much so that the trade in ivory has reduced some animal species to near extinction. There is a lot of regulation and restrictions on ivory use, and documentation of the origin of certain ivories can be tedious, only for the supplier and maker, not usually for the knife client or collector. Overzealous bureaucrats have even confiscated Mammoth ivory handled knives believing the ivory was from recent elephants. Maybe they were trying to protect the Mammoths from extinction... oops, too late.

Here are the types with details:

  • Elephant Ivory: Elephant ivory (tusk) is a traditional fine knife handle material. It is what the general public is usually referring to when they use the singular term ivory. It is not as popular as it was 20 years ago, because of restrictions, regulations, and public sentiment over threatened elephant herds and populations. Since no elephant ivory is allowed to be shipped into or out of the United States, and there is a new, near total ban on elephant ivory use in the United States, one can only assume that the ivory is legal, from existing stock already in the country but it must be accompanied by extensive documentation and provenance. More on the new ban below. Ivory is dense, solid, light creamy white when freshly cut and polished, and yellowing and checking (small cracks at terminal ends) with age. All age-related changes in ivory are considered a natural part of the material, and even valued as a testament to the authenticity and age of the ivory. Old ivory has a warm, appealing patina, and the grain in the material becomes more apparent with age, thus identifying the ivory as real, and not a plastic imitation. Elephant ivory can be brightly polished, and retains a bright luster, and can be easily scrimshawed with high detail that increases the value of the knife greatly. I have, however, seen some fine ivory ruined by bad scrimshaw. Elephant Ivory carves well, and can hold high detail. Ivory is not an extremely durable handle material, and must be cared for and protected with vigilance. Several hours in the bright hot sunlight or under quartz lamps can ruin an expensive knife handle or carving. Some states prohibit all trade in ivory products, so careful research of local regulations is required to prevent confiscation of your fine knife!
  • Mammoth Tusk, Mastodon Tusk: Also called Ancient Ivory, this is one of the most popular custom and handmade knife handle materials. These are the actual tusks of Mammoths and Mastodons that have died thousands of years ago. Sometimes called "fossil ivory", this is a complete misnomer, since fossilization is the replacement of the ivory by rock. Fossils are solid minerals with no organic material whatsoever; they are rocks.  Mammoth ivories may well be thousands of years old, but fossils are millions of years old.
    These tusks come from areas where these extinct beasts have died, and their tusks have been buried soon enough to prevent consumption by other animals, and are thus preserved in soil, muck, or debris. The soils then impart color into the old ivory by thousands of years of water carrying traces of minerals into the organic ivory, staining it. The highly stained surfaces are the most valued, with browns, black, blues, rusts, and greens in the ivory. Also, some interesting staining patterns can develop. The minerals harden and stabilize the ivory to different degrees, and that probably has to do with their age and environment after burial. So these ivories are more durable than contemporary elephant ivory, but can be brittle. Each piece is different. They usually take a high, glossy polish, and are highly valued, increasing the worth of a custom knife tremendously. It is not uncommon to pay hundreds of dollars for the mammoth ivory scales before ever mounting them on a knife. The best mammoth ivory material is stabilized (see topic above).
  • Walrus Tusk: Current walrus tusk can only be acquired by registered Native Americans, and owned by them only, at least that is the current law. I have worked with it before for Native Americans, and I can say it's harder and tougher than elephant ivory, more durable and less brittle, and very white, taking a glassy polish. There may be current suppliers of walrus tusk, but trying to bend current regulations is not worth a legal battle or a reputation. Some laws vary, and I'm sure that imports are tightly controlled and restricted, so it depends on your state and country.
  • Fossil Walrus Tusk: Just like the term "Fossil Mammoth Ivory" above, this is a misnomer. Truly fossilized walrus tusk would be stone, the original tusk replaced by minerals. But the term is used to describe old or ancient walrus tusk. This is much like mammoth and mastodon ivory above in color, access, and origin. It does seem tougher than the current tusks,  and has some interesting mottled patterns in the center. Be careful here, because some law enforcement types mistake ancient walrus tusk for current walrus tusk and will try to confiscate it, not knowing the difference.
  • Wart Hog Tusk: Easily obtainable, this curved, squarish, tooth is just about the right size for a hidden tang handle. It polishes brightly, is very hard and dense, and ivory or white colored. It scrims well, and is fairly durable.
  • Hippopotamus Tusk:  Hippo tusks are a great replacement for elephant ivory, and are in fact ivory just as elephant tusks are and as wart hog tusk is. They're hard, dense, and take a bright polish. They are reasonable in price and availability. The same limitations and concerns with moisture and temperature changes as well as stability are present.
  • Elk Ivory:  Elk, unlike other deer, have stubby rounded canine teeth in the upper part of their jaw. They are probably remnants of a time when they used canines for fighting. In North America, they are the only real available ivory. Out west, we call them "whistlers" believed to help the elk trumpet or bugle in his call. Some Native American tribes believe they possess magical properties. They are small ivory teeth used by jewelers and sometimes used as accessories in knife handles or sheath decorative ornaments. They polish, carve and scrimshaw well.
  • Whale's Tooth: This is the tooth  of the sperm whale, a highly prized, very expensive and rare item sometimes appearing on knife handles. Since the sperm whale is endangered and protected, and any importation of parts has been prohibited since 1973, all whale's teeth must be predated. Old (antique) whale's teeth can be found, but it would be ridiculous to put this valuable item on a knife handle, as it would have to be cut, shaped, and finished, ruining its antique value. There really is no reason to promote the use of whale's teeth on custom knife handles, as there are much more suitable, available, and appropriate ivories.

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New Ban on Elephant Ivory in the United States

Elephant ivory in knives is now finished.

As of July 6, 2016, new elephant ivory-containing items are banned from sale in the United States, and older stock with elephant ivory is severely restricted. The Department of the Interior's US Fish and Wildlife Service has extensive details on their website, but it's clear that this is an effective ban on elephant ivory sales. Clearly, elephant ivory in knives, knife handles, sheaths, components, and accessories is finished in the United States.

How this looks for knife makers and collectors and owners of knives is not good, if they prefer ivory, horn, bone, or natural organic materials. No new knives with ivory can be made and sold. All ivory that is not ancient must be accompanied by extensive paperwork and documentation, or the risk of confiscation is assumed. All other ivories will be subject to scrutiny; extensive laboratory examination must be made to distinguish elephant ivory from mammoth or mastodon tusk, or modern wart hog tusk, hippopotamus tooth, or other materials similar in appearance. The topic can be summed in this interview and questionnaire I gave to Michael Haskew of Blade Magazine on August 23, 2016. His questions and my complete answers follow:

Numbered questions by Mr. Haskew, of Blade Magazine (August 23, 2016)

1. Tell me about your company. What do you do exactly? How long have you been in business

I am and have been a full time professional knifemaker for 28 years and have been making custom and creative knives for combat professionals, knife users, and collectors. I’ve been making knives for 38 years.

2. What does the Fish and Ivory Wildlife Rule that went into effect July 6 mean for you and your business?

It’s important to understand that this is a near total ban on elephant ivory sales. Clearly, elephant ivory in knives is finished. I won’t be using any elephant ivory, and mammoth ivory I use will be very limited to only very dark, stained, and obviously ancient ivory.

3. Are you restricted in where you can sell ivory now?

Not sure of this question; since it is now August, and all current elephant ivory sales are restricted or banned, according to the de minimis exception, listed on the U.S. Fish and Wildlife International Affairs website detailing the new laws. Elephant ivory without detailed provenance is now illegal to sell. All new elephant ivory hand crafted items are now illegal to sell.

4. Do you know of any recent raids or confiscations that have taken place? Could you tell me about the evens surrounding them?


5. Are you cutting back on stocks of ivory and concentrating on other materials instead? If so, what other materials and why?

Unfortunately, this ban and severe restriction of ivory sales does not just affect elephant ivory. I haven’t made or sold a knife with elephant ivory in many, many years, but there are many types of ivory that resemble elephant ivory. These are not banned, but are fish and wildlife officials and law enforcement going to be carrying around long wave ultraviolet lamps to determine mineral inclusions of ancient ivory, along with a testing standards kit, and a ten-power magnifier to determine if mammoth ivory is not elephant ivory? Oh, and don’t forget, they need to carry along a photocopy machine, with variable contrast and a ruler and protractor to measure Schreger lines for this determination. Since this is unlikely, venues, dealers, and websites may ban all ivory types, whether wart hog tusk, mammoth ivory, or hippopotamus tooth, since determinations may be difficult and costly.

6. What can knife collectors expect to see in the way of handle materials in the future?

Because of the ban, non-elephant ivory and ivory-like items may be less desirable. Collectors and knife owners simply don’t want the hassle of the threat of confiscation, or having to possess extensive documentation and provenance to prove their handles are legal. In tactical and working knives, manmade materials and plastics will dominate, but exotic woods may be next on the horizon of control and restriction. In my own art and profession, gemstone has been a mainstay for decades, and I believe it will continue to be the premium material for knife handles in the future. It’s strong, extremely stable, and strikingly beautiful. No living species, plant or animal, will be directly endangered by its use, and in most cases, it will outlast the knife itself.

7. How difficult is it to prove that your ivory inventory was bought before a certain year? What year is the cutoff now? In general, how difficult is it for anyone to find the necessary information?

It’s fairly easy to find the information about the ban on the US Fish and Wildlife’s website. The information is not good for owners of any elephant ivory.

  • Most knife sales in the United States are interstate.
  • The elephant ivory-handled knife must qualify for the de minimis exemption to be legally sold.
  • The de minimis exemption requires detailed provenance and documentation accompanying the ivory. No matter when the ivory was purchased, the documentation must accompany it in every circumstance of exchange or sale, and for the life of the finished product.
  • All of the other requirements of the de minimis exemption are usually not applicable to knives: the ivory in a handle comprises less than half the value, it is less than half the volume, the ivory weight is usually less than half of the 200 gram limit, and it is not raw.
  • A huge issue is that no item manufactured after July 6, 2016 meets the de minimis exception, so new elephant ivory-handled knives simply are illegal to sell. Elephant ivory in knife handles is done.

8. What kind of advice would you offer to knifemakers and knife buyers in terms of the new rule when it comes to the ivories they have on hand in either unattached scales or ivory knives in general?

Unfortunately, because of the last rule in the de minimis exception, elephant ivory currently not mounted on a finished knife made before July 6, 2016 cannot legally be used to put on a knife and sold. It’s pretty clear. So elephant ivory scales are now valueless. Even if a knife with elephant ivory or just the elephant ivory is given away, it needs to have accompanying documentation. If a knife was made before July 6, 2016, it must have all of the documentation and provenance accompanying it to be sold. Also, don’t be surprised if the knifemaker is asked to prove when the knife was made to satisfy this rule, which is very hard to establish and defend in a legal setting.

What should collectors buy and not buy due to the new rule? What should knifemakers buy and not buy?

It’s probably not wise to saddle a knife client and owner with the hassle of extensive paperwork, proof of origin, and dated provenance to continually prove his ivory was of legal origin.
Collectors and makers both need to stay away from elephant ivory. The basis of the law has good intentions, to stop the slaughter of elephants and prevent diminishing herds. There are much more stable, common, and accessible knife handle materials. It’s not worth criminal or civil penalties and jail time.

9. Any other comments you might have would be greatly appreciated

Ivory is now finished in knife handles in the US, as this is a near total ban. No new elephant ivory-handled knives can be legally made and sold. Consider this shocking fact: even though ivory in handmade products is banned, United States hunters are allowed to bring up to four “trophy” tusks per person, per year into the US. How does this help the dwindling elephant herds? This is our government at work.

Officials, law enforcement, and Game and Fish will be confused by the many ivory types available, including wart hog tusk, hippopotamus ivory, mammoth, mastodon, and walrus. Adding to the confusion are materials that look like ivory: shell and bone, stag and animal horn and manmade materials like acrylic and Micarta®. All of these must be accurately and completely detailed and identified with accompanying documentation when necessary. If this direction continues, it wouldn’t surprise me if exotic wood species bans are next.

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Animal bone has been used on knife handles since the dawn of time. Whether to represent the hunt and quest for game, or because it was a willing and workable raw material, or perhaps because ancient man just wondered what to do with all that extra bone lying around, it found its way to the handle. Bone is easily worked, plentiful, and fairly durable. On the modern custom knife, though, it has some problems. First, it is very porous. That means that it absorbs pretty much anything it contacts. Perhaps in ancient times, the tissues and fluids and sweat it encountered would help it stabilize, while imparting a weather resisting patina. Nowadays, no one field dresses their hamburger, or scrapes a hide to make boots for tromping through the snow after mammoth. So the bone is left to dry out, absorb atmospheric moisture and fluids from the hand, and is subject to continuous heating and cooling of the days and seasons. So, being so porous, it expands and contracts extensively, and eventually works itself loose from fittings, cracks around pins, fights any method of attachment used to fix it to a knife tang. It is much more unstable than ivory, and is therefore usually used on the cheapest of knives. Bones mounted on knife handles are often jigged. Jigging in this context is a word that comes from Scotland, and refers to any mechanical contrivance that operates by repeated jerky and reciprocating motion. So jigged bone is named for the jigging machine that cuts it. The cuts in the bone give it some tactile purchase, especially when wet, offer some visual interest, and hide grainy porosity in the finished surface.

  • Animal Bone is  more porous than ivory. Bone has always been a staple on factory folding knives, and has fair wear characteristics. It can be jigged (cut in a repeating pattern) to increase tactile friction and increase visual interest. Bone takes dyes well, and can be stabilized. It is generally not considered a high value handle material. Many types of bone may be used, commonly popular are including cow and giraffe bone. The only permanent method of construction and use for a fine custom knife is to have the bone professionally stabilized. See stabilized horn above.
  • Oosic: is the penile bone of the walrus. The bone is very strong and often large, and is easily obtainable. It has an outer hard shell that is nearly as dense as ivory, and takes a very fine polish. The smaller end of the Oosic creates a fine hidden tang handle when left complete. There is considerable superstition and mojo attached to the Oosic, as you can imagine. Although Oosic is common, I've seen hyper inflated prices and "rarity" claimed. It can be carved, scrimshawed, and dyed. It fares better than stag, horn, and bone in longevity on the knife handle, but not as good as ivory.
  • Fossil Oosic: This is the penile bone of the walrus that has been buried for a long period of time and is mineralized, but it is not a true fossil, since true fossils are stone. Similar to the mammoth or mastodon ivory above, the mineralization can vary. Ancient Oosic is more stable than recent Oosic, has darker and interesting colors, and is more expensive. It's also harder to work and can be a bit more brittle.

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Pearl, Shell, Coral

The sea has offered us some beautiful materials for knife handles and adornment. These organics can include fish teeth and bones, but their use in knife handles is rare. Pearl, shells, and coral are abundant and moderately durable once mounted on the knife.

  • Mother of Pearl (MOP) is a common handle material for fine knives, guns, and inlays and has been used in artwork for thousands of years. Also called nacre, it is the internal shell layer of select mollusks (yes, it's a seashell). It's chosen for its silky iridescence, and moderate toughness, but it is brittle on knife handles and must be worked and mounted with careful consideration. It's long lasting and beautiful, though in some applications can be a bit gaudy. It can be tinted about any color, and there are several choices that are commonly used and accepted in knife handles. It is moderately expensive in large or thick sections, and has medium wear characteristics. In some designs it might seem cold, not warm or substantial like ivories and hardwood. Pinning MOP is a delicate process, and heat should be avoided. Once the MOP is mounted it is more durable, but is not a good application for heavy use knives or knives that may suffer impact.
  • Abalone Shell is a source of mother of pearl. This large, edible sea snail has a highly iridescent and colorful shell, and has been used as ornament by many cultures. Paua shell is abalone shell; the word is the Maori word for abalone. There are over 100 species of abalone, including a host of man-created hybrids. Though there are supposed to be restrictions and controls on harvesting the abalone, sources of abalone (or Paua) are all over the internet. Related abalones that are harvested worldwide are: Perlemoen (South Africa), Ormers (Channel Islands), and numerous countries who now grow and farm abalone. Though the "rarity" is played up by abalone sellers, a simple internet search will yield thousands of sources for this shell. Since the abalone is a bit small for knife handles and thick cross sections are not common, it's used a lot in inlays, mosaics and areas where smaller pieces can be applied.
  • Gold Lip Mother of Pearl is an oyster shell, and has a rich, dark yellow-golden color, sometimes with olive edges or streaks. Its characteristics are the same as mother of pearl and other shells, and the only real difference is the color. It sounds impressive, though when put on a knife handle to have the word "gold" in the description. I wonder if it would be so popular if it were called "yellow-brown seashell... "
  • Tiger Coral is an interesting coral material, due to its tan and brownish red stripes running through. Coral is not the best handle material, it is somewhat brittle and hard to mount. Like pearl, it must be well protected in the knife handle construction, to avoid chips and protect edges. Coral has been popular throughout history because it is easy to work, bright, and somewhat exotic. Watch out for limestone imitations of Tiger coral, with stripes simply painted on! Many corals are commonly dyed to produce the desired color.

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Thanks for being here!

I'll add new photographs and descriptions of my horn, bone, ivory, and shell handles, components, fixtures, fittings, and artwork as they become available.

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