Milked the slave cock in the factory

In an old factory, I take the opportunity and take a closer look at the slave's cock. After the assessment, the slave's cock is waxed nicely, first by me, then in between by the slave himself while I play a little harder with the slave's eggs. We both work on the tail until it squirts for its mistress. Maybe a couple was watching us, who was walking back and forth in front of the old factory the whole time and had already observed us ballbusting