Prince glow nxg tennis silencer improve the feel of your racket with the simple addition of the prince glow nxg tennis silencer this stylish glow in the dark vibration dampener really stands out and provides top level performance too the dampener drastically reduces shock on each hit while giving a more solid feel and sound that also boost overall comfort prince glow nxg tennis silencer prince branding easy fit stand out look glow in the dark reduces shock improves com