A '''knife''' consists of a sharpened blade attached to a handle that can be used either as a tool or a weapon. The blade of a knife can be made from many different types of materials such as [[metal]], [[plastic]], [[stone]], [[bone]], [[wood]], or [[ceramic]]. | A '''knife''' consists of a sharpened blade attached to a handle that can be used either as a tool or a weapon. The blade of a knife can be made from many different types of materials such as [[metal]], [[plastic]], [[stone]], [[bone]], [[wood]], or [[ceramic]]. |