Studio: Can be used as a counterweight for lamp stands and other equipment to tipping due to equipment vibrate Reasonable design: Double section winding design, more stable during use, and for carrying and storage Multifunctionality: Suitable for equipment such as film and televisions light stands, studios, and cantilever crossbars, providing stable balance Outdoor photoshoots: Help stabilize lighting and camera equipment in outdoor environment to ensures smooth photoshoots Durability: Oxford cloth, ensuring that it is not easily worn or damaged after long time use