Knife Fighting Training Piper Knife Fighting “Infecting The City” Demo in Cape Town Posted on September 19, 2017 by enginejuan 19 Sep Official Piper Video – Nigel February (Founder & creater of the Piper System), Shaun Dippenaar & NaMa Xam demonstrating Piper. RAD attacker scenarios Building Aggressiveness – Krav Maga Training – Self Defense w/ AJ Draven of KMW Ep. 30