As pimple rubber ages the level of friction on the surface of the pimples will reduce.
The scientists at Hallmark Table Tennis LTD have developed a new product that increases the level of friction on a pimple rubber to above or the same as that when it was originally manufactured.
Depending on the age of the pimple rubber Friction Liquid is applied to, it is possible to increase the rotation of the ball by more than 100%!!!!!!!
For short, medium and long pimples. 14ml bottles.
