There was more to it. It had something zen-like, because his voice from the shadow also said snidely 'Not like that, i can hear how you are holding it wrong!' , and instructed me to hold/bend my wrist this and that way. And my arm, elbow, shoulder, body. He masterfully knew the kinematics of hammering and could apply that to teaching you in an almost eerie way.

While being drunken...and out of sight...