Economy Knee ScooterRecovering from a foot, ankle, or lower leg injury doesn't have to mean struggling with crutches. The Economy Knee Scooter by Carex lets you move freely and confidently indoors, outdoors, and everywhere in between while keeping weight off your injury and strain off your arms and shoulders. Move More. Strain Less. Rest your knee on the plush memory foam platform and glide smoothly on large 7 inch rubber wheels. The tight turning radius handles hallways