Yoga Tune Up® Therapy Ball PLUS self-massage balls are made from a special rubber that allows you to work out adhesions and tension, ultimately offering an exceptional deep tissue massage experience. By utilizing the various sequences and techniques found in The Roll Model® Method with a set of Therapy Ball PLUS self-massage balls, you can learn to accurately identify pain blind spots and begin to prevent future discomfort. The self-massage balls themselves offer great strength and grip to help you penetrate through layers of skin and muscle and target difficult-to-reach areas. Pain conditions that can be improved with a set of Therapy Ball PLUS balls include TMJ/tight jaw, frozen shoulder, sciatica & back pain, IT band syndrome, migraine headaches and more. Enhance your existing self-care routine, relieve yourself of physical discomfort, and begin to live more comfortably in your body with a set of Therapy Ball Plus self-massage balls from Tune Up Fitness.