I've only done duo twice. Idea of 3some is real sexy but my experience wasn't that great.
One was genuine lesbian girl with quite aggressive character and basically she led everything. Client only wanted to watch but he wanted certain scenario. Lesbian girl managed everything great but whole "scenario acting" thing felt a bit silly so couldn't enjoy it. (because she was like size 4 and I am big girl, and the scenario was me getting raped by her!)
The other was when I was in agency, and agency led me to do duo booking, I was very green by then. Client was not being enthusiastic at all, he just laid there like dead tuna and basically we had to do everything with his freaking "body". If he was fun guy maybe we could had fun.
The thing is when there's FFM booking, and when guy doesn't want any lesbian action and he wants all the focus on him, don't you get awkward at times? His dick can occupied by one girl only (I mean by hand or mouth or.. whatever!) and sometimes you're left without his dick in your.. whatever and what the heck am I supposed to do?
Well.. Sorry maybe I am not very imaginative.. But this has occurred to me and wondered how other girls manage it.
I am getting lots of duo request and now I have great escort buddy who's in the same area so I am considering duo bookings..