HEAD 2-Pack Tennis Vibration Dampener - Novak Djokovic Signature Series | Reduce Racquet Vibration & Improve Control | Perfect for Pro & Recreational Players on Court

Put it between the two central main strings and feel it go to work. The DJOKOVIC DAMPENER consists of silicon and rubber material, which reduces the string's vibrations, enhances comfort, and protects your arm. Used by Novak Djokovic himself, the dampener is exclusively available in white and features Novak's black logo.