Friction Labs Secret Stuff® Liquid Chalk Alcohol-Free Cancha while adding long-lasting flexibility and

while adding long-lasting flexibility and stability

and precision

We consider this breakthrough to be one of our highest achievements to date

Solinco made this string for a Top 50 ATP player looking for a string that wasn't too firm and wasn't too soft

*SIF technology is developed in cooperation with NANODAX

Friction Labs Secret Stuff® Liquid Chalk Alcohol-Free Cancha while adding long-lasting flexibility andIndoors or outdoors, hot or cold, wet or dry Secret Stuff Liquid Grip Chalk gives you the grip you need in the gym, on the court, and on the rock. With less dust and less mess, Secret Stuff is the perfect pre workout base layer or mid session grip refresher. Its available in three formulas: Alcohol Free Secret Stuff , gel based liquid chalk engineered for more arid conditions and sensitive skin With less dust and mess, its the perfect "clean"