Here is a pz2 I had laying around to inject head IK. I didn't post it before because I doubted anyone would be interested. The chain is abdomen, chest, neck, head, with head being the goal. I don't know how the "linkWeight" stuff works, so the values in there are just the defaults that Poser added. I think it may be necessary to declare any actors involved in the chain when adding it via a pz2, and I included hip and BODY, just to be on the safe side. The file is not specific to Antonia, and should work on most figures.