Pelvic Clock; Therapeutic exercise and pain relief equipment. Use this little disc to relieve back pain and stiffness. A must for Sciatica, back pain, or hip pain. Specific movements and methods are recommended for optimal results. Contact Rachael Bouch for a guided lesson on how to use this to gain more freedom of movement and fluidity in your spine, and experience greater ease in your whole body. Convenient size can be used on-the-go or at home.