CRKT Ban Hoy Biotac Knife Harness System BIOTAC is a simple, inexpensive way to carry your fixed blade knife, whether concealed or out in the open. Designed by noted custom knifemaker and inventor Ed Van Hoy, this CRKT knife accessory uses nylon cord and a locking slider to place a knife in almost any inverted carry position desired. The Columbia River Hoy Biotac Paracord Knife Harness System is designed for carry of fixed-blade knives of all sizes which have a positive locking sheath with a detent or snap to securely hold the knife in place, such as those typically made of glass filled nylon or Kydex;. This knife accessory has several carrying options, including standard carry around the neck, fully adjustable for length; Bio neck carry with underarm retention; Bio neck carry with halter retention; waist carry, left or right; under shoulder carry with underarm retention; and small of back carry with dual shoulder cords. Columbia River Knife & Tool has designed the system to work comfortably with open or concealed carry, and it is adjustable to handle small to very large fixed blades. Simple, lightweight, and inexpensive, the Columbia River Knife Biotac Six Position Knife Carrying System will help you carry your fixed blade tactical knife any way you please.