There is no doubt that CBT torture is painful for a slave. However many masochistic slaves additionally become horny from the brutal CBT.
The male slave in this image has a high tolerance for pain it should seem and should you look at that? Even with that cbt torture going on his dick is still erect. Well Mistress has the flogger at hand to look after such mischievous peckers. Judging from his pain tolerance though this may just arouse him further. I’m rather sure this femdom will reckon of something to deal with the situation.
More CBT torture pain images here.