My sister could tell us but then I would have to admit I didn't pay attention to her the first time she explained it to me.
I love her though and hope she is never bitten by a moose.
I think my brother bit a moose once....
oh wait... no, it was the deer ritual, no moose invovled.
Check this out:
http://www.freerepublic.com/focus/f-news/1286806/posts