1. Flatten you wrist (to break rotation) 2. Move 10 boards left of the Center Arrow 3. Draw a straight line over the Center arrow . 5. Make sure your feet are are aiming at the 10 pin.
Note: This May not work if you are bowling on a tough oil pattern, but is good for typical house shots. If you are bowling in a tournament it may be a good idea to get a plastic spare ball