In Kyoto where salted mackerel, part of salted and dried marine products, brought from the Wakasa region was a valuable marine product before cold-storage technology was developed, this sushi was rooted (for details, refer to Saba-kaido Road (the highway used to transport fish such as 'saba' - mackerel - to Japan's ancient capital, Kyoto).
京都の場合、冷蔵技術が発達する前は若狭地方から運ばれる塩干物の塩鯖が貴重な海産物であり、この寿司が定着した（詳しくは鯖街道参照）。