The incredible and power of (ashi waza): Oliver Taza shows how effective a well applied foot sweep can be last night as he won the Enigma Grappling belt. Just as we all and fall when walking and we trip over an obstacle; so too, if you can get an opponent moving and trip/ his foot mid step, you can stumble him down to the mat (Sasae Tsuri Komi Ashi). The beauty of the these moves is their efficiency. When they work it's like a magic trick. Relatively and risk for a great reward – now that's good jiu jitsu!