Zeke, I've been hunting Myrtle for many years and the one thing I can say is if it ain't King Cobra it's Bud. For a beach that frowns on open containers there's alot of them. I usually hunt for a week when I'm down and finding more than a hundred bottle caps was not out of the question. Since I started using Minelab several years ago I have learned bottle caps and can now leave them alone. It takes lots of practice and a detector that you trust, but it's worth it. HH! Chris