Feature:1. STRETCHES MUSCLE: Ankle calf stretcher isolates the lower leg muscles, tendons and ligaments for an effective deep stretch to reduce injuries.2. FATIGUE RELIEF: Ergonomically designed, the gentle motion of the foot rocker evenly stretches the foot to reduce pain, improve circulation and reduce fatigue.3. REDUCE PAIN: Reducing foot pain from plantar fasciitis, Achilles tendonitis, ankle strain, arch pain, and other chronic conditions, minimize heel, leg and back discomfort.4. ANTI SLIP: Nonslip rubber strips along the bottom of the foot rocker ensures the stretcher does not slide when used on any surface, which prevent the foot from slipping.5. ERGONOMIC DESIGN: Foot stretcher designed to ensure proper foot posture, and has an angled foot plate. mid foot gap design, which can also be used for ankle strengthening.Specification:Item Type: Foot RockerMaterial: ABSColor: Black.Package List:1 x Foot Rocker1 x Instruction Manual