https://www.youtube.com/watch?v=YpOYMTJZAwsA video review of TR trypticon, he highlighted an issue I wasn't aware of with the legs, apparently the hips don't allow the legs to move backwards so he modified it.
As an owner of trypticon I can't understand how he did it, I felt resistance going back a certain way but I guess the clicks in the ratchets are that wide you'd think you can go back further