Used for my rehabilitation after knee replacement - it really helped! I have two of these available.
Heavy Duty Stationary Bike Mat Cushion Floor Protection Exercise Bike Mat for
Floor-standing Exercise Bike Mini Fitness Stepper For Leg Arm Exercise
Stationary Bike Mat Floor Protection Exercise Bike Mat for Carpet Home Gym
Under Desk Bike Pedal Exerciser Mini Exercise Bike Peddler Sitting w/LCD Display
Stationary Bike Mat Workouts Exercise Bike Mat for Home Bike Hardwood Floor