BD INNOVATION ELECTRONICS Tennis Vibration Dampener Funny! 2 PackTennis Dampener Tennis dampeners are a great way of reducing tennis elbow. Our 100% silicone dampener absorbs vibration from your center, main strings. This will allow you to play longer and not miss those important matches! HIGHLIGHTS: - 100% SILICONE - 7/8" IN DIAMETER - 1 LOT =..