The blood thing is new to me, so I will have to go back and look at it. I didn't notice it before. Well, I did see a smear, but I thought it was lipstick...
Gabrielle of Tickling Paradise is involved with the mainstream entertainment industry, which is why she doesn't show her face. I think it is therefore plausable, with her background & experience, that any faked biting wouldn't be emphasized becuase that would make more obvious, and therefore more fictitious. So she went with a sublty that looked real (and yes, it could have been real, I don't actually know, only theorizing). I just see the whole thing as being similar to the Blair Witch movie, from the actress being named "Heather" to the camera being thrown down at the very end, and no one knowing for sure if it is reality or fakery. Again, assuming this was not a lipstick smear from the man covering her mouth with his hand. His hand was cupped over her mouth in a concave shape, so this, combined with her laughter and screaming, would make real biting to draw blood difficult. Saying "She bit my hand" however, is easy & adds drama, which is why they used the same hand-biting scenario in the Alex Cox film "Sid and Nancy".
I do think the woman's reactions are real, I don't doubt it at all. I just don't see where she was tricked or mislead into what happened. It isn't far fetched to me that Gabby found an actress wanna-be whose carrer hasn't gone anywhere, and the she offered her a fetsih job, for a larger-than-normal amount of money, to be truly tickled beyond what the woman could withstand, and the woman agreed. And that's exactly what happened. It might be brutal, but it isn't misleading or trickery.
BTW - prostitutes who do get injured while on the job have been known to go to the police... it's all about the greater of 2 evils. Cops would rather catch a serial killer than fine a hooker.
Which brings this up.... there are two things I want to do but have never done..... I want to tickle someone beyond their control, beyond any limits, just to see what that is like, what is beyond the other side. True tickling sadism. AND I want that done to me. Tickled to the point where it isn't 'fun' anymore, tickled until I can't take it, I'm scared and angry... but it keeps going. I want to taste that, push that edge. But obviously I am consenting to the premise, even though I know I will hate it in the end... so, in effect I am consenting to give up consent. I am serious about this... I'm not saying that it's how I would regularly normaly play with anyone, but I am realy curiuos to investigate this. So, if that were to actually happen, would I be blamed, would the woman who took it that far be blamed (for giving me what I asked for), or would there be no 'blame' - it simply would be an event, a thing that happened? That's what I think happened in this video. The edge was pushed, but it was pushed with the consent of the people involved. Ugly to look at, by the very definition of the situation - tickling beyond the limits - but I'm not convinced that any wrongdoing per se occurred.