If you'd like a great source of humor, it's at Mechanic and Car Memes facebook page

 https://www.facebook.com/photo?fbid=627011173779827&set=a.202317996249149

The above photo was posted, and the person asked about the band on the tire that looks like a dent

That's a quantum anomaly detector. It alligns automatically to point at weak structural spots of the rims, where there is a increased risk to fail or not, depending if a cat walks left or right by a still not disappeared 10mm.

It’s a rescue tyre. It was found in the wild with a plastic 6 pack ring around its neck. Crews worked tirelessly into the night to save it, and here we are on Facebook (of course) and find some HEARTLESS A-hole body shaming it!! Get over yourself!

https://www.facebook.com/profile.php?id=100094128502089