Stealth DDR pad

"My brother has a DDR mat which interfaces with his PC. It's nice, and you can play games like StepMania really good on it, but I know if I got myself one, it would be all around the room irritating me when I wouldn't use it. So i thought about a less obvious DDR mat... and this is what I came up with: The stealth DDR mat. It even is cheaper than a store-bought DDR-mat."