A grip force is a strong strength to push the ground. When we push the ground hard, your body can move forward quickly and punch quickly. All this comes from strong grip force. Routing training is to train us to have strong grip in any posture. Once you get used to rooting, your speed and body balance will be enhanced first. Also, we’ll be able to use the body as one. In other words, instead of using only your arms and legs when you strike, your arms and legs are going to be used for aiming while you hit them with your whole body. – In the instruction