Not only are the numbers in this backward clock arranged backwards, but the actual hands move in reverse as well. At only $13, it's a cheap way to confuse the hell out of your dates, making sure they never know when it is they have to leave.

At a price of only $13, you can buy a bunch and mount them on doctor's offices, schools, hospitals, and train stations. – Jason Chen

Product Page [Timenwatch via New Launches via uber gizmo]