A large part is really learning to shift your fulcrums, rely on peng jing and whole body connection. If you just relax, relying on the above, the body will assign and handle the rest. Calling on the new method is just an aspect of the repatterning, it's really just reflexes, etc., shifted over, so some of the mind-body stuff is really old stuff employed a different way. The body, after first closing, opens with a diagonal peng release. Could you give a simple explanation of opening and closing.
Opening is the reverse.
The storage of peng is necessary for the entry in p'i chuan, the closing and rebound jings power the strike. I didn't clarify that the spleen is the mother organ , hence heng is the mother fist.