Armbar vs a Knife; What Can Traditional Japanese Ju-Jutsu Teach Us?

Traditional Japanese Ju-Jutsu was (and still is) very weapons focussed and assumes that every opponent could be armed. This is reflected in how the techniques are applied. Even hardcore Brazilian Jiu-Jitsu practitioners can learn something from the traditional approach to grappling. Full podcast with Alex Kask on this topic here: Thanks to Alex Kask from for sharing this with us