Until two years ago, I knew little about bells and the legend about their power against ghosts. In fact, I had a former crew member insist the sound of bells attracted ghosts. You found us ringing bells all over the place, and not getting much for our trouble. Doing a little research into the subject brought on a wealth of information, however. I have bells at all our events and the cools details about their use.
On a web site called eHow, I found this information about bells: