Wishbones have become a common tradition at Thanksgiving, Christmas and Easter dinners. The general rule is that the wishbone is saved from the turkey or chicken dinner and dried overnight. The next day, two people snap it while making a wish. Each person uses their pinky finger to pull on an end. After the bone has broken, the one with the larger bit is granted their wish.
The wishbone superstition became popular enough that charms in the shape of wishbones can be found in jewelry stores, made from silver, gold, and other metals.
This is not a superstition for vegetarians, though!