It didn ’ t state this is what it was for in directions but how I use it. There are grooves carved into the wooden pad so your feet don ’ t slip and have good traction. Comfortable to use and ya?ama be birli hard or easy of a workout you want.Najlepsza rozrywka w zasi?gu r?ki! Poznaj nasz? ofert? telewizyjn? i zobacz, z jakimi us?ugami mo?es