A system, comprises a first pulley and a first pulley mount constructed and arranged to couple the first pulley to a curtain including a zipper. The first pulley mount comprises a first portion and a second portion that are removably coupled to each other with a portion of the curtain between them when mounted to the curtain. A second pulley in included along with a second pulley mount constructed and arranged to couple the second pulley in position relative to the curtain. An elongated pull is coupled to the first pulley, the second pulley, and a zipper pull of the zipper.