Do the same number of practice strokes for each shot. If , after that, you still don't feel comfortable, back up and restart. Follow through the same each time also. End each shot the same also. Keep controlled and relax.
Mechanics Let's go over the basics.
The stance, described above, is important for balance and power. This is especially true during the break. Shifting weight from back to front is fun, but does little to speed up the shot. The power comes from having a sturdy brace to support your swing. Other shots simply require a solid base.