Anemone Settled Too Close to Feather Duster

I got an anemone last Sunday and he settled into the rock work on about Wednesday and hasn't moved since.
The only problem is he is very close to my feather duster. Today, Saturday, the feather duster lost his crown.
The duster and anemone are both pretty secure in the same rocks and I'm wondering if I should try to move the feather duster or not since he didn't move himself. I would have to take apart the rock work to move him as he has settled in pretty deep and doesn't come out when I gently pull.

Also - how do you feed them once they've lost their crown?

Thanks