You have volunteered yourself to partake in a study observing the impact of ‘wrong-hand action’. Brain-derived neurotrophic factor is a protein that is released when you use your non dominant hand for an action such as brushing your teeth, unlocking your door....stroking your cock. You are hooked up to machines that measure all your vitals, you are told to strip and to begin stroking. The professor observes you, the machines and takes notes.

She measures your cock before it’s hard and after, she gives you various instructions, telling you to slow down, speed up, to swap between you... Show more