metal-detecting eating utensils

A co-worker told me a scary story: he was eating some "game" which a friend of his had shot. Some of the shotgun-shot was still in the meat. My co-worker bit down on a piece of shot and broke a tooth.

I think it would be nice if there were forks and knives which contained metal detectors. These might be thin magnetic "whiskers" which would quiver if waved over metal. A diner could casually wave his utensils over a piece of freshly-shot meat. If the detector detects something, then the diner could carefully slice that part, move the resulting pieces apart, and simultaneously detect which half still contained shot.