"Start again. Put the tip of one finger on your clit and press a little, and do what I describe, imagining me. I begin to slide it up and down her clit a few centimeters at a time, for about thirty repetitions. She usually starts giggling by then."
"My erect nipple takes in a wider area at this point, moving up and down her whole pussy. I hope you're still using just one finger, Little Girl. I want fifty reps up and down."