Both John Isner and Ryan Sweeting enjoy the benefits and performance of this overgrip

waterproof base

Includes a carrying bag for ultra-portability

One-size-fits-most support with adjustable tension straps gives your ankle a custom fit

Offers a firmer crisp feel for natural gut-like playability

Trigger Point STK Target Ball Type_High Altitude Both John Isner and RyanDeep tissue massage is easy and portable with the Trigger Point STK Target, a targeted deep tissue massage bar that features eight independently spinning wheels. Ergonomic handles make it easy to use, and a special coating on the gears allows it to better grip skin for a more effective massage. Benefits 14. 5" size is perfect for travel. AcuGRIP wheels grip skin for better control. Ergonomic handles for easy, comfortable use.