makes driving silly and fun, the act of getting close enough to read them but not rear ending them is also a rush so be careful. these are a few I have been able to snap but I have seen some very creative ones
the tick tighs one makes me feel like i’m losing my mind omfg. my fav ive seen is an obviously handwritten-with-sharpie sticker that just said “HONK IF YOUR DAD WROTE A PHYSICS TEXTBOOK”