iron hand help please

[Peter]

hello everyone, my name is peter. for 4 years now i have trained in iron hand. however, there is one feat i can not seem to grasp. how to drive nails with the palm. i have seen it done but can not grasp the tecnique. does anyone know how to do this ?

[Kevin]

Iron hand is not related to Muay Thai.

[Cameron]

Nor is it related to MMA, where you also posted it.

EDIT: Dude, you posted in like every freaking forum!