During a recent trip to the Florida Keys, my husband James taught me how to use a tickle stick and net to catch lobster. If you’ve never lobstered before, here’s how it works. You snorkel until you spot two long antennas peeking out of a hole in the ocean’s hard bottom. Then, you insert the tickle stick into the hole to annoy the lobster enough to expose itself. While distracting the lobster with the tickle stick, you swoop in behind it with the net. Lobsters swim backwards, so poking the lobster with the stick usually sends it directly into the net. Although the tickle stick is dangerous only to lobsters,…