Zen: The Art of Staying on Edge

Zen: The Art of Staying on Edge by mallo2011

Are you ready for the next step slave?
It's time to stay on the edge
You have to go as near as possible to cum withou actually cumming.
Your goal is to reach 9 and 1/2 or even 9 and 3/4 and stay there for longer and longer periods of time.
OK let's start go to the edge, above 9, and stay there slave.