Would the Dominants please comment on what they absolutely LOVE about fellatio, the details of how they like it done and why?

And submissives, please tell me what you do that drives them up a wall. It is all in the details, so share!

We as submissives like to learn new tricks and I want my Master's eyes to roll around like slot machines the next time I try one of your suggestions. *s

*licking a melting popcicle and smiling ever so sweetly*