You will really enjoy this Kensington 56146 Solemate Plus Adjustable Footrest, Gray. Reduce muscle strain and fatigue by supporting your legs at an optimum angle. Angle adjusts 30 degrees and locks into place with a simple press of the foot, while height adjusts tool-free from 3 1/2 inches to 5 inches. Nonskid surface plus nonskid feet for stability. Be a friend to your legs and back.