Is a naughty sock troll stealing your socks from the dryer? Try this handy laundry trick and put a stop to its thieving ways. “The Case of the Missing Sock” has been open in every household since humans have worn socks. Fed up with my own one-sock situation, I wanted to know probable causes—and discovered a laundry trick along the way. The Internet did not fail me on my quest for answers, with numerous (and humorous!) ways of explaining why we always seem to start with two, but end up with one.