noun
striking with the back of the sword
A technique in swordsmanship where the blunt back ridge of the blade is used to strike, often to subdue without cutting.
峰打ちで相手を気絶させる。
Knock out the opponent by striking with the back of the sword.
Compound of 峰 (mine, 'back of a sword') and 打ち (uchi, 'striking').