If your knees bent the other way?

What would a chair look like if your knees bent the other way?

There was this african(?) woman once on the guinness book of world records who had her legs back to front, she walked odd but was still able to go on with daily life.

Woo, google it I guess

Ask a dog or a cat

Have you seen the blernsball episode of Futurama? If so, think of the chairs in the pizza parlor. If not...sorry, I don't know. Good question, though.