Welcome to the forums! RB skin on a Ugobe? How did you do it? LOL! Well, I’m glad you were able to fix the problem. Here are my thoughts. RB skin is two or three hairs breadth thicker than that of the Ugobes. My thought is it must have bound up in that knee joint and just not come out for some reason. I have had this happen even on my RB’s. Granted there is no clicking, but it Does cause a permanent wrinkle there when you have to repeatedly remove it from the inner joints. Glad to see people are still interested in the little dinos even after this long. Thanks for posting and keeping our little scaly friends alive.