Yesterday I found this bone in the freezer at the grocery store. $5. Couldn't resist, so thawed it out and gave it to him today. He's been working on it for two hours, and still going strong.
MineLab E-Trac, MineLab Safari, MineLab Explorer XS,
White's 5000 D, White's 6DB, White's 5000 D GEB
Sunray X-1 for the ML's, Garrett PP for the White's and a Backhoe