Everyday carry gear designed and built by Silent Thunder Ordnance, from custom knives and ferro rods to glow inserts, lighters, and one-of-a-kind pocket accessories. The Pocket category covers everything STO has developed for your carry, including the Crysknife, Mule Team handle system, Scalpeldashi, and a growing lineup of tools built to the same performance standards as our airgun work.
Crysknife
Crysknife
Experience the sacred weaponry of Arrakis with our crysknives, designed for Dune enthusiasts seeking functional replicas which are true to the books. These hand-finished weapons faithfully recreate Frank Herbert's iconic Fremen blades, from their milk-white crystalline appearance to their distinctive curved design, providing collectors with rugged functional pieces that honor the original literary descriptions.
Key Features:
Book-accurate design: Matches Herbert's "milk-white" and "about 20 centimeters" descriptions from the original Dune novels. Standard (23cm with compound curve and nerve channel fuller) and Compact (19cm with single curve) available
G10 composite blade: Prioritizes impact resistance and point strength over edge retention; blades are finished unsharpened and match the crystalline, slightly translucent appearance of sandworm tooth
Authentic Asymmetric Grind: Featuring a chisel grind that mimics the natural shape of an incising tooth, providing both accuracy and an acute cutting profile
Stingray leather handle: Genuine stingray leather base under resin-impregnated cotton saego wrap, a traditional Japanese handle textile
Two Size Options: Choose between the Standard (23cm with compound curve and nerve channel fuller) or Compact (19cm with single curve)
Secure Retention System: All sheaths feature a click-in-place mechanism that firmly holds the knife in any orientation
Two Sheaths Included: Each knife comes with two independent sheaths,* a minimalist inside-the-waistband carry sheath with integral j-hook, and a Japanese style saya
Zero metal construction: No metal components throughout, reflecting Fremen material culture
Hand-Finished Craftsmanship: Each knife hand crafted in the United States
Durable Construction: Strong enough to be handled as practical tools while serving as impressive display pieces
These crysknives offer both aesthetic appeal and functional durability. Whether displayed in your collection, used in cosplay, or carried as a unique non-metallic tool, these hand-crafted replicas connect you directly to Herbert's richly detailed universe.
*Standard sheath color is black, other colors available on request at no additional charge. Additional sheath designs are available for different carry depths including full conceal (entirety of knife is below the belt line). Custom designs are available on request. For those who want to use their own clip/hardware, we offer rivetless through-hole mounts (please confirm your desired hole spacing prior to ordering).




