Crain Carpet Stairway Stretcher allows working from the top of the stairway down, it stretches the carpet completely, eliminates carpet bunching and it's easy. Carpet Stair Stretcher produces a tighter uniform stretch, without sore knees. Comes complete with carrying case and easy to use instructions. Visit DRPFastShip.com, Crain Stair Stretcher. Back to Carpet Stretcher.