My trainee nurse Zoe is learning how to operate my clinics electric treatment. I do love the fact that she is becoming more cruel and sadistic by the minute. I leave her along for a while to fly solo and test out my slaves limits with the electric box. Judging by the satisfying screams of pain coming from the rubber bound victim on the medical bench, Zoe enjoys pushing things to the max. The last lesson for today is teaching Zoe the secrets of my favourite fisting technique, repeatedly ramming my hand so far into this patients arse that he is in danger of swallowing my watch.