Butch Harmon was an advocate of this drill and it was used quite often on Tiger Woods. Tiger Woods said that this drill was by far, the most irritating but effective drill he ever tried. If it can help Tiger’s game, likely it can help your game as well.
To practice this drill, setup to a ball, and swing to the top of your backswing, then stop. Next, in your head slowly count one…two… before starting your downswing and finishing the swing. This drill is very effective at slowing your lower body and the rotation of your wrists through impact. By stopping at the top, you’ll be forced to properly time the downswing sequence in order to hit a decent shot.
This drill will give you instant feedback if your downswing is quick or poorly sequenced. Without a properly sequenced downswing – starting with your weight shifting slightly to your lead foot, followed by your hands dropping down as your body slowly uncoils into impact – you’ll never be rid of your hook.
Give it a try