Proof everywhere that Bush has something on his back - so, what is it?

[Bozos for Bush]

By now, everyone has realized that we're not nuts - there really is something on Bushboy's back. The photo posted on other threads from the official White House website shows Bush in his truck with something on his back.

We're quite sane, my friends.

So, what exactly is it?

[burrowowl]

1. Actually

I think it is a pseudo-spine.

[Richard D]

2. I'm positive it's a . . .

. . . battery door.

[radwriter0555]

3. It was this particular device actually....

http://www.rentcom.com/catalog/Wireless.html

[DemonFighterLives]

4. I voted for the Stimulator accident

After a hard night of drinking those simulators give a kinda rough ride. It's hard work, but someone gotta do it.

Another possibility is it is his reptillian spine poking out.