The Clue Wooden pin to hang 5-Down
The Answer PEG
The answer "PEG" fits the clue "Wooden pin to hang" because a peg is a small piece of wood that is often used to hang items. People commonly use pegs to hold clothes on a line or to hang tools on a wall. The word "peg" also refers to the shape of the object, which is typically round and tapered. Overall, it perfectly matches the idea of a wooden pin used for hanging things.