In 1974 the following year, owners of nori stores, etc. in Osaka City, aiming to expand the demand for nori after the oil crisis of 1973, held a speed-eating contest of norimaki (vinegared rice rolled in dried nori [laver]) at a Setsubun event.
翌1974年には大阪市で海苔店経営者等がオイルショック後の海苔の需要拡大を狙いとして節分のイベントで海苔巻きの早食い競争をはじめた。