I just bought two Slot.It Jaguar XJR10's to run in the new IHSR Group 'C' class.

Nice cars, and they come with a spare rear wing. But they also come with a strange, unidentified plastic part that apparently fastens to something with a pair of set screws.

I've done the requisite amount of head-scratching as well as some online research, and come up dry. I didn't want to take up bandwidth without doing my homework.
I give up. Can anybody clue me into what this gimcrack is?
Nice cars, and they come with a spare rear wing. But they also come with a strange, unidentified plastic part that apparently fastens to something with a pair of set screws.
I've done the requisite amount of head-scratching as well as some online research, and come up dry. I didn't want to take up bandwidth without doing my homework.
I give up. Can anybody clue me into what this gimcrack is?
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