THE ONLY TOOL YOU'LL EVER NEED FOR PLANTAR FASCIITIS - it is your essential foot roller tool to help roll away those deep muscle knots in the ball of your foot, rolling away that pain so you can go harder - your feet will feel as light as a featherTHESE SPIKES WILL NOT BEND - The spiked balls are made of durable, firm solid rubber to withstand any body weight The high dense spike ball reaches deeper into the fascia for tension release and will be your ultimate body massager therapy ball and foot roller GO HARDER FOR LONGER BY HITTING ALL TRIGGER POINTS IN THE BODY - The spiky outer layer gives you a stimulating massage and increases circulation throughout the entire body Perfect massage roller and back roller for both pre and post workout to rejuvenate and revitalize all areas of the body so you can train harder for longer TAKE WITH YOU TO THE GYM - Small and Compact, this massage ball is perfect for a warm up and cool down routine at the gym, yoga and pilates studios AND to get you started, we'll email you a FREE downloadable EBOOK with Advanced Massage Techniques to optimize your next workout and blaster muscle recovery fast