Maya/Unreal ART Mannequin Rig - No Reverse Ball Pivot?

bentraje

Hi 

Just learned about the Unreal/Maya Pipeline.

The provided Unreal Mannequin Rig does not seem to have a ball pivot control or a ball pivot attribute.

Is there a way around this?

You can see an illustration of the problem here

https://www.dropbox.com/s/vgamynajpo8p6na/artUnreal_ballPivot.mp4?dl=0

Thank you for looking at the problem