Levers and fulcrums: In so far as jiu jitsu is a mechanical study of the optimal way to position lever and fulcrum in order to create breaking/tearing leverage upon an opponents or sealing upon the neck, there are correct and incorrect ways of applying . When you , experiment with , elbow and hip placement. Feel for that optimal placement of lever and fulcrum – your is to be able to find it first time every time, even under pressure. The difference between applying force with lever and fulcrum placed poorly versus applied with precision is often the difference between winning and losing