WTF Fox Hax!

Okay so I'm making a fox hack for my upcoming machinima "Teh Jack Robin Story" and i badly need my fox hack to work. Almost done in fact, but I've reached an impass. For some odd reason, fox's hand bone won't load up. It's 53, (says brawlbox) and whenever I use it, the game freezes. Any tips? Besides just using offsets please. (Looks weird having darkness coming from your elbow.