Let the fingers pass the palm to square the face
Through impact the coach keeps the feel of the elbow pinned while the fingers pass the palm, 'shaking hands' at the ball, which he says ensures the face returns to square. He describes letting the fingers slam shut so it will feel like a flip, while applying downward pressure against the handle and forward pressure, so the club head does not flip or kick back.
Channel: stayhandsy
Watch official source at 5:05