Knife Defense Surprise Knife Attack | GoPro Experience! Posted on August 31, 2017 by enginejuan 31 Aug In this video I show you how to defend against a surprise knife attack. With the help of a GoPro camera I give you a view of the attack from my perspective. Knife … Knife fighting system TOLPAR in London, UK 2017 Fighting Styles – Gun Disarmament & Retention Preview
