Hands are usually used more than feet. Offense and defense are applied in all different directions, angles and curves. Use a very strong hand grip. The form is hard. The focus is on straight speed.
Defenses are straight down, out, in, side and up.
Offense is straight, side, back and forward. The form is hard. The form is soft. It teaches an individual how to fall properly without injury by keeping the body flexible and developing coordination and strength. Offense and defense use of opponent's strength.