When new slaves enter the compound they are put through rigorous training to see if they are adequate for sexual slavery. This slaves cock is suitable at 8 inches for sexual service, but does he have the stamina to pleasure the insatiable Mistress Alexis Grace? She puts his cock into the milking machine to mimic her tight cunt wrapped around his cock. She doesn't want any accidents while being sexually serviced by her human dildo, he has to be able to withstand from orgasm for hours on end to make her cum multiple times. She raises the intensity stroking his cock faster and faster with the milking machine to replicate the way she rides cock hard, the slave does his best to hold back his orgasm to prove he is a worthy sex slave. Mistress Alexis turns the dial up to high and whispers in his ear,. Imagine me on top of you enjoying your hard cock. The stimulation is too much the slave cannot hold back his desire to cum any longer, he spills his seed inside the milking device. The disappointed Mistress had high hopes for this recruit but he failed to control his cock. More stamina training is scheduled to build his endurance to serve as a proper sex slave.
