[π ππππππ π] Great components to support additional crossbar, turn your backdrop into double darpery (additional crossbar is needed), perfect for wedding or photobooth purpose. | [π ππππππ π] Simply adding this supporting clamps to the bottom of your backdrop (additonal crossbar needed). Instantly turn your backdrop kit into step & repeat or portable movie projector frame. | [π ππππππ π] If you have a damaged or torned upright slot, you can use it to fix it. Turn your damage upright alive | [πππππππππ π ππ] Great quality with flexible adjustment that can fit most of 1.5" to 2" upright diameter | [ππππππππππππ] Easy setup with no additional tools require to bond together with your upright. Slot opening in 3 way directions that are flexible for multiple purpose