Beware of escalators, Mom and Dad, if your child is wearing Crocs or any of the cheap imitations that parents- who- don't- love- their- children buy. (You know who you are. You probably don't buy Jif either.)
Apparently, some toenails and a toe or two have been ripped off in the teeth of the escalator because of how soft and grippy the shoes are. So if you're headed to the escalator store, leave the Crocs behind or take the stairs. Here's the article from CNN.