• Makes stretching calves, hamstrings, Plantar fascia and toes easier and more effective • Unique adjustable heel rest • Customize your stretch by increasing or decreasing the degree of stretch • Best for: Calves, Plantar Fasclites, Achilles, Hamstrings, Toes • Choose for: Large shoe sizes, Customized stretching, Advanced Plantar fascia stretch, Up to 300lbs