What's some of the strange item's you've found under seats and carpets in old cars you've bought?

About twenty years years ago, I was parting out a '72 (I think) Charger, 400, 4-speed. Under the carpet, in the corner of the rear foot well, was a brand new Slap-Stik T-handle. I figured the guy on the assembly line saw it was a 4-speed, and chucked it in the back. The carpet was later installed right over it.