According to an AP story, tire socks are made of fabric that you slip over your vehicle’s wheels to get more traction on snow.
State lawmakers have OK’d them for use on our roads. The Scandinavians came up with the idea. Duh. These socks are supposed to be gentler on road surfaces than chains and studs.
Here’s a video clip made in the U.K. which takes a look at one brand of tire sock and how well it performs.