Propaganda

I've always been skeeved out by them, since they look like something you would buy from a truck stop sex shop: the ones with the plexiglass windows full of dildos and back rooms for peepshows.

It seem terribly thin evidence and admittedly limited research to warrant your conclusions. But he's deceased and appears to be an easy target for this sort of "scholarly" offering.

I've never used it. In a D/s relationship, you need to trust another human being in ways that are rarely explored.

Similarly (and absurdly considering how babies are made ) some people just can't imagine a woman being both a mother and a whore.