Hats are 'boxes' that fit the heads of skins inside them. Hats can be used in a number of ways to enhance your skin. They can be edited (in skin editors) in the sections with 'hat' left, right, front or back written in them, usually to the right of the 'head' sections. Not only can they be used for hats, but hoods, hair, eyes- which can create a sort of 'moving eye' effect - and many more! A lot of popular skins have hats.