For a sound recording Tom Six conducted the lead actresses to a group orgasm.
The film features a credit 'in loving memory of Nigel de Hond' Tom Six's beloved pug who died on February 4th 2019.
The basic theme of the film is "Schadenfreude"; the German word for enjoying the misery of others.
Film director Tom Six has a cameo for a few seconds in the film.
The film features a credit 'in loving memory of Dieter Laser' who played Dr. Heiter and Bill Boss in "the Human Centipede" 1 and 3.