Got bismuth? You'll need it for cow-boarding. Not to be confused with a frat-row prank, cow-boarding has a small but devout following among goose hunters across the country. The premise behind the bovine camouflage is simple-most cows are lousy shots. Cow-boarding is a simple technique. You don't need to master a symphony of complicated honks and squeaks on a goose call. "You just kinda mosey along, like a cow, until you get in shooting range," says Wyoming hunter Eric Todd (pictured above with his son Forrest).