"Masters of Defense knives represent the ultimate refinement of the combat fighting tool. Designed by some of the industry's foremost defensive fighting experts and special forces operators, they are contstructed of the most advanced materials available. The brainchild of knife authority Jim Ray, M.O.D. has over 30 variations for any hard use application you have. These knives can keep you alive. They are regarded by many as the most advanced production tactical knives made. Since their introduction, they have become the tool of choice for black-ops specialists throughout the defense industry"