Please watch how to buy first

https://youtu.be/kyehtm_kiNE

Solve the vibration, soreness and discomfort caused by your cycling

"Grab Gripfast" faucet shock absorber, solve the vibration and discomfort caused by riding a bicycle. It is especially effective for friends who often have sore hands, shoulders and soreness while riding a bicycle. After using it, you will feel 100% to its amazing shock absorber effect.