A torturing device used on men to get them to do something they normally wouldn't. A torturing device that connects to the nipples using crocodile clips causing severe and acute pain. Sophisticated manipulators can deliver an electric shock to the nipple adding to the persuasive effectiveness of the device.
I will gladly pay you Tuesday if you will contribute to the cost of my next alcoholic beverage [usually all of the cost of it, and then they sit down next to you, happy days!]