Remember to turn those clothespins. Play with yourself for a bit.
So the theory behind the job is one thing, but what does being a sex slave really entail?
Well, in addition to all the kinky stuff that goes with it, it's fundamentally about sex. You pleasure your masters in any way they like.
In reality, however, what kind of people are in the market to rent or purchase a sex slave? You should realize that many of those who will have interest in using your body will be men and you should train accordingly. Just because they are the same sex does not mean you will be permitted to show any less respect or devotion to them, regardless of your personal sexuality. Remember what you were just taught with the ice cubes: your feelings are irrelevant, you only exist to serve the master to the best of your ability. No other thoughts should occupy your mind.
So, do you have any experience sucking cock? Take the makeshift one in front of you and show me your technique.