The Massage Foam Roller offers myofascial release, relaxing contracted muscles and improving circulation in sore or stiff muscles. The high density knobs are great for getting into those tough areas, kneading away those stubborn kinks. Foam rollers are used for rehab and other exercise routines. Foam rollers are great for stretching, self-massage, body support, and stability exercises. This roller is perfect to help you roll out those stubborn knots!