Motivational Shock Absorbers: BusyBee Tennis Vibration Dampener in Fun Zipper Gift Pack These BusyBee Tennis Vibration Dampener in Fun Zipper Gift Pack ($15 for six) are such a thoughtful and useful gift for the tennis pro in your life. Not only will the shock absorber help their game, but so will the motivational messages! Image Source: amazon.com BusyBee Tennis Vibration Dampener in Fun Zipper Gift Pack $15 from amazon.com Buy Now