The most recent season of Orange Is the New Black features one very ingenious little weapon: a shiv made from melted Jolly Ranchers. It’s a thing of beauty and danger, a nightmare dressed like a daydream. Anyway, if you were wondering how to make your own, the enterprising people of Slate have a how-to video demonstrating the steps. It involves an Altoids tin, gum wrappers, a battery, and a lot of burnt fingers.