The patterns used were unique kinds of things such as the deformation of personal effects or groceries, and sometimes erotic and grotesque motifs such as skull and sex scenes were used, because of the ban on the use of yusoku-kojitsu (ancient practices and usages) by the Edo bakufu.
そこに入れられる文様は幕府の禁制により有職故実文様が使えなかったこともあり、身の回りの雑貨をデフォルメしたユニークな物、時にはドクロや性交シーンなどのエログロ趣味まであった。