"Now slowly start twisting them for me slave, clock and counterclockwise on each nipple at the same time.."
(You do as she says)
"This is so much fun, isn't it?. You should see your face right now slave, really. Alright, you may take them off now slave. Do it carefully though this'll hurt a bit i can imagine.."
(You take off the pins)
"Very good, now stick them onto your cock slave. All the way from the base to the tip, use some more pins.."
"W..w..why mistress?, please"
"Just do it already, stop questioning me all the time!"
(You do as she says)
"Good, i have one tiny, little, last task for you slave which i'm sure you won't like, not one bit. Well, I mean, I think you've guessed it already. So, yeah, I want you to slap them off of your cock, go ahead please.."
"Ouch, §%$§$%, fuck, what the.."
"So hot slave, now you can thank me and put the pins away again.."
"Thank you mistress,..fuck, shit.."