Live crabs, of course. In a vending machine. Oh, chilled way down; they're essentially hibernating. Pop in your money and out drops a crab, caged in a little plastic holder. You take him home and-- Dinner. Or perhaps an aquarium if you're soft-hearted.
You may have seen this elsewhere. I hadn't. It trumps the weirdest ideas I've had all week.
YANKEE RADIO TOOL KIT, #106
4 weeks ago