About the product
- EASY TO USE: Simply swing the Serving Sock like a racquet and avoid hitting your back.
- SIZE: Same length as a tennis racquet from grip to center of strings.
- IMPROVE: The Serving Sock helps your serve in various ways: rhythm and fluidity and by correcting awkward serving motions.
- FITS ALL: The Serving Sock can be used by beginners and experienced players. Try tossing a ball and hitting it with the sock as an advanced drill.
