Leg injury comes from kids growing, over use of muscles, a hard leg day or muscle use over load. When these injuries happen walking is a difficult task let alone a normal day. The Stinger is at home solution to cure leg pain. The combination of ICE and MASSAGE is the secret cure. Ice brings down inflammation. Massage pushes out lactic acid and old blood loosening the muscle. When the muscles rewarm new increased blood flow happens. Aiding the body in the natural recovery process.