ドミナトリックスミストレスエイプリル-杖トレーニングパート4

I am training my slave to take more cane strokes at higher intensities with not so much noise and screaming. I test different canes and the noise response I get from him when he is caned and I test his endurance to do more and more each time. In Episode 4, I add slave rose to the mix and cane both of them at the same time and they have a competition to see who make the most noise. Lets see who wins