shokosugi That's an oddball that I think was probably made by a small time local manufacturer or even someone in their spare time a job shop. Here in Metro Detroit there are a ton of small manufacturing shops that serve the auto industry. If you frequent garage and estate sales, like I do, your run into all kinds of inventive things that blue collar guys have come up with in their spare time, either to make a buck or just to do their own thing. Here's a closer pic.