Lady Krasaviza wanted this guy to learn to endure pain as well as to increase his pain threshold. So the mistress chose to kick him in the balls as it was one of the most painful things she could do to him. It made him scream out loud and he was in excruciating pain but slowly by slowly, he started to get used to it and he got better at handling and enduring pain.
This loser was a neighborhood pervert. He did not know how to seduce girls and so he did not get the attention of girls. And that drove him to become a pervert. But mistress Luna was not going to allow him to poison the neighborhood atmosphere so she took matters into her own hands and she used her spiked clogs and her heels to trample his dick and his nuts.
Lady Sarah does not like anyone messing with her money. You can do anything to her in the world, but do not mess with her money. She goes above and beyond to make the money and she will never sit back and watch someone else mess with her money. That is why she chose to dominate and humiliate this guy by ballbusting him. He had to feel the ultimate pain.
Mistress Jenny did not want to forgive her husband again. She had done so enough times but today she did not want to give him another chance because she had done that before but he had ended up disappointing her again and again. So she did the next best thing and she ballbusted him for all he had done and especially for cheating on her. He learned his lesson painfully.
This mistress wanted to do what she had never done before. The mistress chose to brutally ballbust this loser for trying to con her. He was not successful in his con but that did not stop her from punishing him. The mistress knew that if she let him go without any punishment, he would do what he had done again. So she ballbusted him with her high heels and he never conned anyone again.
When lady Stefanie tasted her new slave, she knew she had to torture him and teach him a lesson. She did this by ballbusting him. She is a foodie and she cannot do away with good food. She did not want to get sick so the mistress ballbusted him so that he learned not to cook bad food. That was motivation enough for him to get to learn how to cook better.
Madame Marissa treated her slave well but he still wanted to run away. She felt like it was an insult to her and she had to punish him for it. She chose to give him the treatment that she felt he deserved so that if he ran away, he did so justifiably. She kicked him in the balls and trampled his dick as well then asked him to run away if he wanted.
This mistress was cheated on by her husband. She was beyond mad as she had done a lot for him. The mistress had done everything for him and that was how he repaid him. She was so angry that she was almost blinded to what she did to him. She tied him up and stripped him naked. She then kicked and punched him in the nuts and did it repeatedly. She even wore gloves.
Mistress Gaia and her friend had beef with this slave. He had been stealing their secrets and feeding them to their neighbors and they could not understand why the hell he did it. He had to be dealt with immediately and in a firm way. The mistresses' version of that was to turn him into a human dog and then ballbust him painfully while he was on all fours and with a leash on his neck.
Lady Mira had paid this guy for a service but she did not like what she got from him. He had to learn to do things the way she wanted and what she had paid for. It was not up to him to do what he wanted yet she had paid for the service. She kicked him in the nuts to send a strong message to him that he had to refund her. He did.