you can parent the parts to each other then. That will make them stick together and still be poseable. An example is my Treasure Chest here in Free Stuff, the lid is parented to the chest and the hinge/lock is parented to the lid, and thus everything is moveable.

(today I would have made it into a character but at the time I made it I wasn't quite sure how to do that...)

The backdraw of parented multipart-props is that when you delete them you need to delete all the bits one by one. But in general, it works fine and it's easy to make :o)

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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.