Here’s a new way to get people to put down their smartphones.An invention called Offline Glass is a beer glass that keeps people from checking their phones when they’re out at a bar. It features an iPhone-sized notch cut into the base. The glass can’t stand upright without a smartphone wedged underneath, so if you reach to check your phone, the glass will topple and spill the beer. This is also a handy way to avoid drunk texting! So far it’s only available at one bar in Brazil, but it could soon catch on.