[I've gotten some good feedback from a couple of LFS, but have yet to try it myself.
LOL 66deuce! IIRC, a perl usually starts as a piece of sand or other particulate matter that gets into the oyster's shell. As the object irritates the soft tissue, the oyster begins to roll it around against it's shell, coating it with the "mother of perl" from the underside. In time, viola! Not that it matters, as I'm sure you are kidding..right? :lookaround:]