The three practice techniques I’m going to describe have helped everyone that has tried them.
The first is a way to practice your setup, the second is a way to trust your stroke and make sure you stay down and follow through, and the third is a way to test whether or not you stay relaxed all the way through the stroke.
Setup for a shot is just as important as the execution of the stroke.
Players often get down then adjust and aim, but the better players have something in common. They always get in line with the shot and then step into the shot from the line of the shot. The practice drill is to spread the rack of balls out on the table.
Pick an easy shot. Once you setup and get down on the shot, go ahead and shoot without any practice strokes. Repeat this through several racks of balls. This will make sure you take care of your alignment and how you setup.
Everyone talks about stay down and follow through, but how do we practice this?
One way is to setup any shot and setup like normal.
Do your normal routine and practice strokes. Then before the final stroke, close your eyes and keep them closed until you hear the object ball drop into the pocket. This will take away the anticipation of making the ball and reinforce that all