Ultimate tool for prevention & treatment,Plantar Fasciitis, Shin Splints, Achilles Tendonitis, Tight Hip, Knee & Hamstrings, Sore Calves, Calf Strain, Lower Leg Cramps, Muscle Spasms, IT Band Syndrome, Toe & Feet Cramps, Heel Pain Provides a deep stretch to the lower leg muscles and effectively stretches the calf muscles, Achilles tendon and surrounding stabilizer muscles. Our calf stretcher improves your overall stretch, balance, flexibility and helps prevent foot injuries.Our foot rocker has an open design and allows a comfortable fit on a wide range of foot sizes,Simply position your foot on the rocker and start stretching away those tight leg muscles.Made with strong materials this calf stretcher will never bend or break even with daily use.