I asked one of my "Import Tuner" friends
It's called a drift charm. The Japanese used actual subway hand rings to hang from their tow hooks, but that mutated into hanging curtain rings, stuffed animals, or anything else that can drag the ground.
Quote:
Originally Posted by porsche tech
Saw this on a POS Miata. What the..?

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I saw the same thing on the back of a late model Japanese 4 door sedan that was lowered and had fat tires/wheels. No idea what that is!--Dave[/QUOTE]