Crutches Alternatives? Yes! Only RollerFoot knee scooter provides you unique ability as it frees up your hands from crutches while providing rest to your injured foot. Crutches occupy your both arms, hurt your hands and body, and make you hop on one leg! Why?! Shouldn’t you be able to stand on your both legs and work with your both hands, even if your foot is temporarily injured? The answer is RollerFoot – hands free knee walker!