Ergonomic Ergonomic Footrest: The ergonomic design of our foot stretcher ensures the foot is in the optimal position to improve the stretching of the leg and foot muscles. In addition, a mid-foot space allows the rocker foot to be used to strengthen the ankles. Non-slip rocker design: Non-slip rubber grips at the bottom of the foot rocker ensure that the stretcher does not slip when used on any type of surface. A raised heel plate locks the heel in place to prevent the foot from slipping during use and reduce injury. Pain Relief: Three 30-second stretches per day will increase flexibility while minimizing heel, leg and back discomfort. Improving flexibility and stretching will often relieve pain associated with plantar fasciitis, Achilles tendonitis, ankle, arch pain. Perfect for everyone: the foot rocker was developed to provide an effective way to relieve lower body pain associated with plantar fasciitis, Achilles tendinitis, ankle, arch pain and other conditions chronicles. It is designed to be used by anyone looking to improve flexibility or relieve pain. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store