Oh yes please ...
From Create Your Own Story
I wanked slowly as Stephy buzzed her clit with the vibrator.
"I do have trouble having an orgasm unless mom helps me", Stephy said.
"Wow, Mom ! how does she help and how did you convince her to do it ?"
"Oh it was her idea, since I couldn't orgasm, like some girls can't, she takes over when I get close and my muscles freeze. Sometimes she uses her fingers or this vibrator or her tongue, I like that best !"