Look up all of the vids under the folder called 'Csilla Blue' in my faves, much of her throughout the web doing extreme kinds of porn, PM if you are interested!
She also goes by Csilla, lots of her in xhamster and other sites doing all kinds of stuff, some extreme, I have a folder just for her in my faves for the stuff that is in xhamster if you are interested
I've trained several wives and girlfriends to be obedient. I have the partners there as well to learn. The sessions don't stop until she cries or he asks me to end it. No crying indicates the pain isn't severe enough. Gina did excellent even after crying. Oftentimes more than one session is in order.