wow 10 years in the making.... This is a truck that needs finished for sure.
I see what you mean now....
Frizzen posted a link for a guy that was making some multi-directional hings for a lowrider .. the concepts might work for you but I can't find the thread he put them in.....hopefully he sees this and can remember where he put them....
https://youtu.be/yvvR_Y7GUC0
A guy is building a radio controlled 1/24 scale mini-truck Radical. First stage is direct-action off a servo