Feel strong, targeted relief with the Chirp Relief Wheel+ 10″ Deep Stretch. Designed to hit the muscles beside your spine with deeper pressure than lighter wheels, this 10″ wheel gives you a balanced stretch and massage to help release tension, improve posture, and support spinal alignment. Its 5″ width ensures it fits comfortably between your shoulder blades, while the patent-pending Spinal Canal™ protects your vertebrae so you can roll with confidence.