Thanks for responding, FTjr. Interesting.
And Snark, I agree, it doesn't seem like they're being forced in videos; however, is there maybe a lure to do the "deed?" Did you ever think that perhaps there's incentive for them to complete the act?
We train animals in all sorts of ways with positive reinforcement. So I'm of the mind that even a great dane or rottweiler, could be trained likewise.
Question for anyone who wishes to respond: If you are blindfolded, have sound taken from you, are spread eagle and suddenly feel a tongue working your nether regions - does it not feel just as good, be it beast or human - man or woman?
I won't respond because I hate oral performed on me. lol