

Another design in the series is kamiai, or interlock. “We put a gap on one of the four sides of the square shaped chopstick, and embedded a magnet, so that the two would snap together in one piece when they are flipped and fitted to each other.
We placed the magnets towards the outside of each chopstick, so that the chopsticks don’t come together accidentally while someone is using them to eat.”
(Spoon & Tamago)