Driving into work this morning I get the low air pressure light, figured I had a slow leak and maybe had a nail or screw in the tire...20 minutes down the road the car is about pulling off the side of the road and tire almost completely flat. I got into a covered rest stop (of course it was pouring), swapped on my spare tire.
Found this thing had punctured through the tire and was clanging around inside and made little marks all on the inside of the rim and turned the inside of the tire to dusty crumbles. $300 later and I got a new tire mounted/balanced after work.
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after google searching, it appears this thing is likely one of these POS
Tuner Series Lug Nut Caps from Sickspeed! This listing is for FOUR Caps, choose your color from drop down above. One threaded cap is required per lug, easy to swap out. Specifically designed for Sickspeed Lug Nuts. Will help take your look to the next level!
www.sickspeed.com