Dave pelz's o-ball Marking clamp is a Marking device used to mark any regular golf ball with the pelz "o-ball" alignment markings. "O-ball" alignment markings provide instant feedback to help roll the ball correctly. Includes Sharpie Marking pen.
- O-ball rings on any ball
- Includes a sharpie marking pen
- Clips to golf bag or belt
- Improves putter alignment
- Elevates stroke impact quality