Preferably guitar-related, and not involving animal or human body parts.

Mine is pickguard making. Big and black. I went out yesterday and bought a sheet of 1/8" black perspex; I had been using clear and painting if from the back before. I can have any pickup combination I want, including odd stuff like a Lollar Chicago. There's a couple of examples in this pic:

Does anyone else do eccentric things like this?