Most of the U.S. got pummeled with extreme winter weather this week, with even more on the way this weekend. So, of course, a bunch of ridiculous cold weather “hacks” are going viral on social media. In a pinch, hand sanitizer can help thaw frozen locks due to its alcohol content, which melts ice. Covering side mirrors with socks overnight. Putting socks or small plastic bags over your side mirrors stops frost forming overnight and saves time scraping in the morning.