You don't have eyes on the back of your head, but you can rest easy thanks to the Aposematic Jacket by Shinseungback Kimyonghun. The jacket, which is designed as a surveillance garment, allows you to photograph all 360 degrees around you. It is covered with so many cameras, any potential assailant would have to be insane to approach you -- their face would be on the five o'clock news in a heartbeat.
Of course, not all of the cameras function. Some are merely there for show, sending threatening signals to those around you: "I can record you."
Only four of the cameras can actually operate through an internal circuit board, accessed by a press of a button. When you download the images later, they will be in the form of a large panorma.