I saw this video in a BRS email. Not sure if it would work on a large one... or even if a person would want to chance trying it but I thought I would post it.
Coral propagation -- Episode 1: Propagating the rose bubble tip anemone RBTA
In our first episode of the coral propagation series we going to show how to propagate the RBTA rose bubbletip anemone rather than an actual coral. This can not only be a profitable endeavor but you can also help reduce reliance on wild caught anemones and reduction of clownfish habitat. It is possible to use your saltwater reef aquarium to do this at home
http://youtu.be/9HeNy9aWm6I