Since it says that its arms are "out of proportion" with the rest of its body, we felt that's its only right that the hands should be as well.
I always imagined that the hands were sort of shovel-claw like and lengthy instead of being huge like that. I think it would be better to go off of the Containment Breach model.
Like this,
Aside from the hands though, I think Allun's model is even better than the CB model.
Poll