Wrought Iron Metal Heart Curtain Tie Back SetWrought Iron Metal Heart Curtain Tie Back Set Curtain tie backs and swags can anonymously shape drapes or top treatments, or they can make a statement of their own at the window. This set of two black heart curtain tie backs dress any space up with the look of modern art. Boutique style, sculpted wrought iron metal hearts contrast beautifully against both printed and solid color curtains and lightweight drapes. A deceivingly simple design, these