Adjustable Wooden stretch BoardFive Angles. One Board. Your Goal. The Stretch Board for stretching, mobility and training More Mobility. Less Tension. "The Gorilla Sports Stretch Board gives you a versatile tool for stretching, mobility work, and functional training. Five adjustable incline levels from 20 to 45 let you progress at your own pace whether you're warming up or working hard on ankle and calf flexibility. Built from 11 layer wood and rated for up to 300 kg, this board