Gamecube Link Up Cable For A Sony Controller. (Read Description)
I don't even know if this is real, but it allows you to use a ps2 or ps1 controller with a GameCube...idk...
@ohnoitschris it is very useful.
@waluigithenintendonut why, why swap out the glorious NGC controller for a dualshock?
I suppose for people who think gamecube controllers are expensive, they can get this and a cheap playstation controller and save money? I don't really know.