Wooden horse bondage
日本人女性マゾならこれがトップ3つのうちの1つ
https://www.xvideos.com/video51400873/japanese_slave_got_interrogated_hard_to_cry

https://www.xvideos.com/video16419747/sexy_slaves_delighting_every_other
https://www.xvideos.com/video22074279/sadomasochism_fotos

https://www.xvideos.com/video1890727/ir120203_sasha_elise_graves

あとは石吊り失禁（日本）とinsexの強制開脚（米？）が上位だろうと