It clearly didn't work on the witches, but this is because these witches aren't bad.
Pumpkin Patch Witch Costume for Toddlers It may have worked on the monsters. The knee-length dress zips up the back and features a bodice covered in shiny black sequins and trimmed with an orange collar as well as matching faux buttons. The black satin sleeves are gently puffed and decorated with small golden bows that match the decorative "buckle" on the wide black belt.