The term 'COAT RACK PARTS' can be broken down into two parts: pegs (4 letters). Pegs are small cylindrical or tapered objects that are used to hang items on a coat rack. They are usually made of wood, metal, or plastic and have a flat base that allows them to be inserted into the holes of the coat rack. Pegs are an essential part of a coat rack, as they provide a secure place to hang coats, hats, and other items.