If you put finger bag gloves on so the padding is on the inside of the palm it aids the students in palm striking. A palm heel can be a stop, a gentle push, a firm push, a strike. Depending on the amount of effort you put into it, which we hope should be proportionate to A. The nature of the situation. B. The relate strength of the parties involved and C. The type of crime being committed. If a person has hand's of stone and they have been trained as a boxer, best stick to punching. You won't undo deep muscle memory training like boxing. People like to use closed fist style because it's part of a weapon carry system, knife, gun, stick etc. However if you are unarmed, female, smaller than your opponent a palm heel strike to the nose is a powerful combat tool.