This will make it a whole lot easier to see if your charms are working on that chick at the bar who you've been working on all night. Special material in the clothing turns transparent and opaque based on the wearer's heartbeat. The faster the heartbeat, the more see-through the clothing turns. Let's just hope that Ra-Ra-Ra never wears this anywhere near Warcraft. The sight will be terrifying.



[Huffington Post]