My one suggestion would be to extend the part of the hook that contacts the underside of the table. That will help counteract the tendency for it to rotate forward when you add weight.
8bitdo ultimate 2c. It's an awesome controller for the price, unfortunately can't figure out how to get it working wirelessly or with non-steam proton games yet on linux, but it works great on windows and android and I can just plug it in for linux gaming.
Okay good to know. I was on their website a while ago and only happened to see the controllers with the Nintendo layout so I figured that's all that was available