>>139
これかな？
Riveted cage (ただし検索をかけてもヒットしなかった)
3.bp.blogspot.com/-VNmMd6dyeKU/Wdlv-d1pt8I/AAAAAAAAC48/eDlZsItpW7YJCwrhj2RTvcOa9ShG8NQuACLcBGAs/s1600/Riveted.jpg
femineaaeterna.blogspot.com/2017/10/how-to-start-with-enforced-chastity-for.html