I had to think about this one for a second! Haha. See Rocket Surgery by Fit to Print in New York.
You'd have to pay attention to which ear you put each earring in so it reads from left to right. In One Ear, by Carol Ann in San Diego, CA.
And last, "Find X." I love this. Haha. Over 4,200 people looked at this ad. I guess I'm not the only one who likes it.