Prerequisite: the assembly instructions did not seem more clear. All benefit from being accompanied by a small video. Caps not readily extractable bars - afraid of breaking. Apparently sturdy feet. A boredom inherent in this type of mounting: always have a screwdriver with you to unscrew the screws from the top of the door and the roof of the corner ... or else they must be left permanently mounted, resulting in excessive fuel consumption. Not yet tested load. If I think about it, I will return here ...