THE SAFER COMFORTABLE OPT. TO THOSE DANGEROUS CRUTCHES Heavy Duty Dual Main Frame for Additional Security & Strength Adjustable Frame Height with Optional Padded Lambswool KneePad/Seat Extremely Comfortable for prolonged use. Quad Runner instead of single rear wheel tricycle for Additional Stability. Strength & Safety Hand Brake Controller Detachable Front Mounted coated front Basket with Handle Fun and Attractive Green Paint with Accents KneeRover Deluxe Steerable Knee Walker Knee Scooter Knee Cycle Leg Walker Crutch Alternative. Collapsible Heavy Duty Steering Column. No Tools Required. Allows you to quickly fold the steering column over the seat. forming a handle. for you to easily transport your KneeRover in your trunk or back seat / back of seat.