The cock and the balls were tied with a bondage rope. It is fastened in such a way that it is under tension and pulls itself tighter all by itself. Look how swollen everything is. The mistress finds this very horny and with her partly demanding touches makes sure that this condition "worsens". Finally, the pent-up load has to come out. Write a few lines if you like the cumshot, which you can also enjoy in slow motion.