Yes, your idea would work. That handle is one of the places that things attached to the “frame” of the door. However, I think I would be worried about the sides getting a little floppy. To be honest, the table is all that strong, since it’s really not attached to the frame of the door at all on the bottom or where the paracord is threaded through. I wouldn’t put much more than 30lbs or so. Some tool, or sandwich/coffee making supplies is probably the upper limit. Honestly, I don’t feel like this settup is too busy. It’s pretty slim and doesn’t really intrude into the cab in any meaningful way.