Staffs are a type of tool used for a variety of purposes. Crews are a type of staff made up of five or more people, usually working together to accomplish a task. Canes are a type of staff used for support when walking, and are usually made of wood or metal. Poles are a type of staff used for support when climbing, and are usually made of metal or fiberglass. MANS is a type of staff used for protection, and is usually made of metal or wood. Maces are a type of staff used for ceremonial purposes, and are usually made of metal or wood.