Set of 2. baibukatto are 打球 Special anti-vibration silicon rubber on the built-in vibration the shaft may have a harmful shock vibration when the Kinetic Energy Of Your Child sucrose to instantly absorb vibration and vibration at the same time, kittens from soft waves and releasing it. This Soft vibration wave is the shaft into the surface may shock you can counteract the vibration dampening, body, elbows, etc., to your fatigue and strain on your wrist.