In use, it keeps its promises foot (obviously, he has not the stability of a "true" picture walk 2 times heavier and 4 times more expensive, and its height is limited).
I just have "struggled" to find the stable position (3 screens): in fact, not only the central column turns in the folded position, but the legs themselves are turned by 180 °, we must put them in position " Clip-on "before using the foot.
Once you understand that, it will ...