With just a little cartoon physics, it's possible.

http://www.youtube.com/watch?v=nDkyMLX87bA&feature=player_detailpage

On the right, we have Imhotep. On the left, we have 3M-hotep.

A terrible thing to contemplate while on the john.

Is that... is that really where the waste goes? Through the tube? Have I been misusing toilet paper all this time?

~OLJ

Only one of these rolls is 2 Ply.