His work reminds me of Pasolini's Salo still one of the most intolerable works of art I have ever seen which has the same inexorable atmosphere also exploring de Sade and kicks you in the stomach but with reason.
I can only really touch the inside through the mise-en-scene.
Farrel, as far as I am concerned, was poor at his craft.
A parallel can be drawn also with zoophilia and bestiality.