Angrybird Silicone Vibration Dampeners for Tennis Squash Racket (6 Pack) Embedded design, more flexible, and the racket firmly combined, the damping effect is prominent, Trolltech lovely pictures more beat to add a fun. Function: amplitude, effectively reduce production of ball impact the net reduction of conduction, effective protection, increase comfort resulting ease of tennis elbow. Match the birds to suit different rackets, playing styles or your mood. Includes 6 Birds, 1 x Red, 1 x Black, 1 x Blue, 1 x White, 1 x Yellow and 1 x Pig (green). Effect: This racket with shock absorbers, weakened obviously feel the vibrations in hitting the ball, hit the ball with the change in residual sound Package includes Six icon dampeners