US ARMY FM 21-150 - Hand To Hand Combat - Modern Prepper

FM 21-150(13) Palm-heel strike to kidneys. The defender grasps his opponent frombehind by the collar and pulls him off balance. He quickly follows up with ahard palm-heel strike to the opponent’s kidney (Figure 4-14). The defendercan then take down his opponent with a follow-up technique to the back ofhis knee.4-17