Peep show glasses — mugs and glasses that have stripping models on the side — have been around since the 1940s. In 1941, a company called Meyercord created and patented the technology that allows the white clothes to disappear when moistened. Most of the time — like, 99 percent — the images were of sexy, scantily clad women, but we loooooove this ’70s mustachioed beefcake on the right. Have a tall, frosty glass of this guy, please. [Collectors Weekly]
