P.S.D. II COYOTE BROWNP.S.D. II Knife Coyote Brown - Drop Point - Plain Edge - 3.03" Blade - Jim Hammonds original P.S.D. earned its name (Particle. Separation. Device.) for its ability to cut through just about anything, anywhere. The P.S.D. II brings that sameity to cut through just about anything, anywhere. The P.S.D. II brings that same capabilitycapability