How to Block on different height: 1. Take out the hook 2. Pull down the rope perpendicularly to the ground 3. You cannot block in different height if less than 1KG 4. Pull the rope on desired height ,if it had not block ,do not immediately let go 5. To the slowest speed (Suggestion 10mm/s),retake or pull about 1cm-3cm to block it 6. The hook's using method is opposite with the seat belt 7.Slowly pulling strings to make it block in the hook of erecting 8.Max Weight: under 10kg 9.The item color displayed may be slightly different on your computer monitor since monitors are not calibrated same.Please NotedFirst, you need to ensure the hanging hook is vertically down(if not it will not work).When you need to locate the plant at a position you want please pull the strap slowly, and then it will get stuck(there are about ten stop points)The plant hanger is mainly designed for indoor hanging plant and can't work properly in the wind outdoorProducts from BAZHOU's store