The Mobilization Lacrosse Ball is the most simple and effective mobility tool on the market today. This hard rubber, lacrosse ball is used for deep soft tissue mobilization by targeting the most battle-hardened trigger points and areas of irritation. Lightweight and portable, you can use it for difficult areas of the upper back or deep into your Piriformis and buttocks. When used regularly, this lacrosse ball is designed to help reduce pain and Achilles problems for enhanced comfort. Decreasing the chances of injury by enhancing your movement efficiency and increasing your flexibility. Allowing for optimal muscle release and relaxation following sports and intensive activity.