Preparations before use · Overloading is strictly prohibited: Select a hook with an appropriate capacity based on the weight of the load. · Thorough inspection: Ensure that all components are in good condition and properly secured, that the steel cables are free of breaks or cracks, that the brakes are safe and reliable, and test the device with no load. · Secure hanging: Hang the upper hook from a support point with sufficient strength. · Reliable connection: Attach the lower hook firmly to the load, ensuring that the center of gravity is vertical.