The best self-massage tool on the market today. The spikey massage ball is used to perform self massage exercises and muscle release techniques, simulating the effect of a sports massage. Rectify complaints such as sports injuries, workplace soreness and general posture problems.The Spikey Ball has been designed with protuding nodules, which can help increase blood flow helping to decrease muscle tension. They are ideal for the back, neck and feet and can be used by a wide range of professionals for varying applications.