Today is "Flip a Coin Day." After you have tossed that penny, here is something else you can do with it - check your vehicle's tire tread. Place the penny with Lincoln's head down in the tread. If any part of the head is obscured by the tread, you're all set - you have a legal and safe amount of tread. If you can see above Lincoln's head or any of the "In God We Trust" letters above his head, then you are ready for a new tire.
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