http://www.engadget.com/2013/06/24/custom-built-katamari-controller-is-made-from-a-yoga-ball-dualshock-controller/
illusivemanrk
flipped into Various Game Things
http://www.engadget.com/2013/06/24/custom-built-katamari-controller-is-made-from-a-yoga-ball-dualshock-controller/