This Is Why Tires Have Those Little Rubber Hairs on Them

If you’ve ever looked closely at the tires on your car or touched the tires while wandering around an auto shop, you’ve probably seen those little hairs sticking out of the black rubber and wondered, Why do tires have hairs? Are they there for some safety reason I don’t know about? Those little bits are one of the weird car features most people don’t usually stop to think about. But then some people do. …

Source: Reader’s Digest