For years we have thought about making a folding knife that closely emulates our famous Tanto Andrew Demko worked on the problem, and with Lynn Thompson's input, a satisfactory solution was discovered The result is what we offer here, the Oyabun! It incorporates a reinforced blade point, a high satin polish, expert heat treatment (Rc57 and sub-zero quenched), and the kind of stunningly sharp edge Cold Steel's reputation was founded upon Furthermore, it is equipped with an integral flipper for effortless opening, and a (patent pending) leaf spring lock and safety The lock/safety on the Oyabun was first utilized in our Crawford 1 folder and has proved to be quite tough and reliable The 4034 stainless steel blade is housed in a strong, economical handle that's reinforced with stainless steel liners The handle is injection molded with a Griv-Ex foundation and then over molded with soft, checkered Kray-Ex fastened to the frame with two robust bolts