“As Business Insider explained, the trend involves pranksters visiting popular conveyor belt sushi restaurants, taking things off the belt, licking them, touching them, or smothering them in wasabi before returning the item to the belt for other unassuming diners to take.”
Too funny!!!
That's why we always try to sit within view of where the sushi chef places items on the conveyor. Haven't gone to sushi boat restaurants since covid started.