Futae no Kiwami - "Two-Fold Extremety"
This technique begins with one normal punch to break the resistace of the object or opponent, then a second punch in the same moment is delivered to desintigrate the object or opponent. The basi of this technique is with the right fist, but it can also be use wth the forearm, elbow, nee, and foot. It might be possible to do it with your head too.