This was released as part of Anchor Bay's UK "Box of the Banned" DVD set, together with 6 video nasties. The 2nd part of the documentary, Ban the Sadist Videos! Part 2
(2006) was available in the 2nd box set. See more
I said "Look, I don't want the usual hypocrisy of American genre films where at a certain point you see the knife and not the wound. Let's do something really... if we have to go down that road, let's go all the way without hypocrisy".