I had a similar issue with the left hand, when I tried to simply assign my hand mesh to the left hand skeleton. What I did was just copying over the grasping hand anim bp to a new anim bp based on my hands own skeleton.
I had a similar issue with the left hand, when I tried to simply assign my hand mesh to the left hand skeleton. What I did was just copying over the grasping hand anim bp to a new anim bp based on my hands own skeleton.