When Tofukumonin was sent to court to marry the Emperor Gomizunoo, research on the proper way to wear juni-hitoe was conducted, however, the costume newly made from the research was different from the traditional one and the length of mo became extremely short and the hem barely reached the floor.
東福門院の後水尾天皇入内をきっかけとして十二単の着用に関して研究が進められたが、その結果出来た物は以前の物とは異なり、裳の長さは極端に短くなり、床すれすれの長さであった。