The 'Morisadamanko' written for about 30 years since 1837 and considered as the first-rate historical material to study early-modern folkways describes the furiuri as "a commoner's job to walk around the city with a cry while carrying products on the shoulder or back in three cities (Edo, Kyoto and Osaka)," which shows that the socially vulnerable were able to make living by doing the furiuri healthily.
1837年(天保8年)から約30年間書き続けられ、近世風俗研究のための第一級史料とされる「守貞漫稿」には振売について"三都(江戸・京都・大坂)ともに小民の生業に、売物を担い、あるいは背負い、市街を呼び巡るもの"とあり、社会的弱者も振売によって健全に働き、生活できていたことがうかがえる。