Where Does the Other Sock Go?

The construction of the Pyramids, the Bermuda Triangle, the disappearance of Amelia Earhart. These are indeed some of the world's greatest mysteries. But the mystery that trumps all of these is the missing sock. You know the one. You put pairs of socks into the dryer and when they're done, mysteriously, you're left with a single sock from one or more pairs that you put in. Instead of trashing the spare sock (if it's cute), consider making a plant cozy out of it. Just cut it down to size, put the sock around and over the edge of a cup, and voila!