Knife Fighting Training Intro to Qi is Key | Self Defence and Martial Arts System Posted on December 9, 2020 by enginejuan 09 Dec Learn effortless martial arts self-defence & weapon training (nunchaku application, knife defence) by harnessing Qi. Build resistance & overall physical – mental … SolidWorks Beginner tutorial 7: Combat Knife – Part 2 (surface modeling) Basic Knife Skills – Knife versus Stick combat / Soko Combat Academy