So, picked these up at a local flea market. No hardware in the box, just the rings. Looking for history, pics, and mounting info.
show us a picture of the back side, so we can see how to mount them. Might be there are some "hooks" that fit over the headlight bucket, and the slot in the bottom is for a screw to hold it in place. But that's just a wild guess, because you hid the important part.
Very Kool find! Thank you for starting this thread, I was asked about them recently and all I knew it was an aftermarket accessory.
Looks like the top hooks onto the top of your light bucket, and the slot is for a chrome screw. The reason for the slot is one ring fits multiple cars.
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