The term drapery accessory can refer to a variety of items used to hang or decorate curtains and other window treatments. One such item is a TIE, which is a three-letter word that can be used to secure the fabric of a curtain or drape. Ties are usually made of fabric or rope and come in a variety of colors and styles. They can be used to add a decorative touch to a window treatment, as well as to keep it securely in place.