I would save an injection file for the morph rather than store it in a cr2 in the library. That way it's nice and neat and able to be applied as a pose whenever you want.

To create an injection file simply go to File: Export: Morph Injection

You'll be presented with a list of all morphs in the figure. Click the top Alyson checkbox to clear all. Find Alyson's head and MyMorphFixed and check only the morph you want included in the inject. Save it to your pose library. The INJ pose pz2 and the like named pmd should stay together...

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