Cute 19-year old Denise wants to do every submissive training I can think of, so she can become a good slave girl, she says. Well, I guess that means she has to go on the Deepthroat Trainer! It looks easy at first, and Denise is very well trained in blowjobs, but 4 strong springs pull her back every time she tries to fight for breath. After a minute or two, Denise is already exhausted, and she gets pulled back all…