"Back to stroking your cock, my slave."
"Start slow and do 50 strokes."
"Now speed up, I want 100 medium paced strokes!"
"Alright let's see if you can still hold your cum in. Stroke as fast as you can for 30 seconds!"
"Your penis is throbbing so much. And it's so wet and shiny... you sure leak a lot of precum." She fondles the head of your cock
<< Rub the head of your cock 5 times with your fingertips! >>
"I want 30 seconds of stroking. Do it as fast as you can!"
"I must say I'm pretty proud of you. As a little gift you may now rest your body a bit."
"Untie your cock and balls, take off all of the clothespins and rest for 2 minutes! The next task will be a bit special."