Wow a lot of interesting and long-haired options here :D

I guess the easiest way to do it would be to make the mask inot a conformer. It's just that I have bad expiriences with things that conform to the head/neck. They often bend in a weird way. In this case where it's a prop, the "inherit bend" thing works nicely. And this way there's no joint parameters to worry about. Doing versions for different characters is also a lot easier. 

I'll try the geometry-less idea, if I can figure out how :) And otherwise I'll just save a repositioned version of each of the attachments :)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.