WINOMO 2pcs Curtain Holdbacks Crystal Diamond Drapery Tiebacks Hooks - Silver This is Crystal Diamond Curtain Holdbacks Hook Drapery Tiebacks Hook Door Wall Hook Tassel Holder. Color: Silver. Material: Zinc alloy. Add a touch of elegance to any room with this set of classic curtain hooks. Delicate and unique shiny big faux diamond design. Excellent match for traditional, classical or even modern themed rooms. Also can be used to hang your hat or clothes.