Billie Jean King s Eye Coach Replacement Arm Part for Tennis Trainer
- TENNIS PRODUCTS: Replace your Eye Coach's worn-out arm. Each arm lasts for about 50,000 hits..
- TRAINER FOR TENNIS: Slide the arm of the trainer into place with the neck bent toward the back..
- TENNIS PRACTICE EQUIPMENT: See an improvement in on-court tennis skills with only 5 minutes a day..
- PORTABLE SELF-TRAINING TENNIS TRAINER: Practice off-court with no distractions anywhere, anytime..
- EYE COACH: Trusted tennis training equipment used by clubs, professionals, and trainers worldwide..