Knife Defense Surprise Knife Attack From Behind – Street Fight Tactics – Self Defense Posted on August 30, 2017 by enginejuan 30 Aug Surprise Knife Attack From Behind – Street Fight Tactics – Self Defense NEW VIDEOS UPLOADED EVERY WEEK! ☆ LIKE ☆ SHARE ☆ SUBSCRIBE ☆ Reality … Real takedowns in knife fighting. Armed Combat and Tactics. What works. Knife Fighting Course Italy