It works as well as shown in the video. It’s very easy to lift up the adjustable part, and it seems hazard free - your hands won’t go anywhere close to the levels. The assembly was DIFFICULT. It took me SEVEN HOURS to assemble it without help. Tools are not included so you need to use your own. But the instruction is very clear and friendly (even including encouraging words which appeared exactly when I felt frustrated and exhausted). One unpleasant fact was that panels seemed to have been showered with wood dust, but the manufacturing was satisfactory- the holes lined up accurately.