Here's a simple video to show how I reduced the wobble on my LG Dai Atlas. Alt mode is not affected at all, nor is combined mode. I cut a rectangle of plastic from a styrene sheet, but you can use a credit card as well if you don't have that. I glued it in place so it acts as a stopper from the figure wobbling forward, and transformation is unaffected. Attached pictures show where the piece is glued and the GREEN lines show where I glued it, I made sure that the glue did not get on the hinge itself. It's won't get rid of all the wobble, but it'll help a bit. Had this just been done with ratcheting joints, I think this would have been solid from the get go.
