Description
- Makes a noticeable whistling sound
- The faster swing speed, the louder it sounds
- Coaches love it as a teaching tool (weak sound-weak swing)
- Dampens string vibration too
- Insert 2 on a Racquet for a louder sound
Tourna Whistling VibreX dampener makes a whistling sound when the racquet is swung. The louder the sound, the stronger the swing. Great teaching tool.