I own one of these and absolutely LOVE it! Back in ‘my single days’, I was always joking I would wear it to one of my dates and when going to the bathroom, I’d change the message on the front to indicate to my date whether this is going anywhere or not.
Alpha tee: It can say anything you want, just stick the reusable letters onto the shirt (velcro) and spell it out! Comes with 46 consonants, 18 vowels, 21 numbers, and 25 punctuation characters. ($30 at uncommongoods)