JCM or MCM or.... ?

RAMWolff

So I have this hairy option and when it's conformed to the body, it needs to change shape or it just does weird things when the limb is brought very close to the body and I want this hairy object to compress ... I've created the morphs for both sides in ZBrush but need to know how to hook it up correctly.  I have a few video's on how to do this but they are more for creating morphs for the body itself, not creating a JCM for a conforming item that will kick in when the parent object (the limb) is bent closely to the body.  

Any vids out there offering such help? 

Thanks so much

Richard