Why are no-frills udon noodle vending machines irresistible for drivers passing by a small rest area on a busy national road in western Shimane Prefecture? People stop here around the clock for a ...

KANONJI, Kagawa Prefecture—It looks like a helmet when laid face down, but flip it over and it becomes a bowl for “udon” noodles. The Udon Helmet was developed by Kawasaki Kako KK ...