fist, finger jab strikes, elbow strikes, and palm heel strikes. Intermediate level drills Punching and striking combinations: lead straight to rear cross, double lead straights, uppercut to rear cross, lead straight to rear cross to hook punch, elbow combinations, and hook punch to hook punch. Advanced level drills Piston punching endurance drill, arbitrary combinations, double head butt drill, slipping drill, circuit training and disorientation drills. DVD Details: Double End Bag ...