"Look at me, look very closely and jerk at my command slave.., up and down and up a.. Caress your upper body with the other hand.."
(You see beads of pre-cum peeking out from the tip of your cock and you try desperately to control yourself)
"Mmm.., i can tell that you’re having fun, pumping away on that cock. That's what i'd call a thick, stiff slavecock, just as i like em, twitching and throbbing. Anticipating that pleasure, that joy..., that amazement. It feels just so good, doesnt it?. Just don't get too carried away, will you?"
(As you continue listening your mind starts to shimmer, the fast stroking gets the best of you and you feel the edge approaching rapidly)
"What's the matter slave? is this little bit of stroking too much for our masteredger?. Do we have to stop already?. NO edging!, i mean it slave!. Please don't dissapoint me.."
"..."
"This is just a brief evaluation, show me what you can do. I want you to keep in mind that the more your cock throbs, the more your balls ache and yearn for release the more pleasure i feel!. Which could turn out to be very beneficial for you later on.."
(You clench your teeth while fighting against the edge, but the battle seems to be lost and you are very close to orgasm)