The Folding Exercise Peddler by Drive Devilbiss Healthcare is a safe, gentle, and convenient way to get your blood pumping. This exercise peddler is ideal for improving circulation and working your arm and leg muscles. The unit can safely be used either on the floor or on a table top as it has four anti-skid rubber pads on each of the feet. These rubber pads prevent slipping as well as protect surfaces. To increase or decrease resistance, simply adjust the knob located at the top of the display screen.