Small world is I am traveling next week and have set up a session with a Domme I have seen before.
She confirmed she will have another slave there. Her suggestion and she really gets into this. Nothing fancy. I enter the room and straight to my knees. He comes over and I do my job while the Mistress watches and talks to both of us. After he is finished he leaves and we start our session.
If you saw how much the Mistress really enjoys this some may understand.