@ odf,

For the body handles, one dial in the BODY sounds best. No need to clutter the other actors IMO.

Quote - With the new collar setup I'm working on, you might rethink that second suggestion, by the way.

Perhaps, but I have never been keen on having collars in the IK chain, even with figures that have the breasts in the chest. I think the collars tend to move too much with IK.