While I did not allow it on my boat, many of the charterboat captains that I knew would allow the mate to pretend to eat a squid sandwich in front of the charter, especially when it was a bit rough. The squid being on the half of the bread that wasn't in the mouth.
It almost always resulted in an early trip back to the dock with full pay.
My brother once took a boatload of Chinese out and they ate the bait before they could get a chance to fish!
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