My sub today has upset me by keeping a secret stash of inappropriate porn hidden away and wanking when he should be using every drop of his energy in the service of his Mistress. That’s why he has been strapped to a chair in such an uncomfortable position with his head stretched upwards and hands tied behind his back. It allows me to attach the relentless Venus wanking machine to his cock so that I can control the speed, the intensity and the duration of his masturbation. Only when I’m satisfied at the mix of heaven and hell do I move him onto the bench for simultaneous machine wanking and strap-on fucking that will teach him a serious lesson in control.