Tension
Tension is the art of providing no direct momentum to be turned back against you.
Precision tools used against precise targets
Pull - Hands Feet and Chin
Push - Forearms, shins and forehead
Liabilities - Upper Arm, Thigh, cheek/nose
Then create tension in your opponent
Tension beats Smash.
Paper cutter
Mir lock
Twister knee knot
Straight arm lock