Knife Defense Does BJJ WORK in a STREET FIGHT! Posted on October 7, 2017 by enginejuan 07 Oct In this video Nick Drossos is answering a very common question. Does Brazilian Jiu Jitsu work in a street fight. Subscribe to Nick Drossos: … Mass Casualty Drill | Combat Medic Alliance Combat UK. Training drills and Live sticks sparing practice.