Knife Fighting Training TCS Knife Fighting Concept Peter Weckauf Posted on August 30, 2017 by enginejuan 30 Aug T.C.S. Knife Fighting Concept is a sophisticated close combat system which focuses on the knife and its use for self-defense.The constant improvement of T.C.S. … Halloween Special – Batman Learning Knife Defense KNIFE V.S GUN 21 – Foot Rule NYPD NYC Self Defense Seminar [Part 3]