Bumping this, because when I tried to book her again I found that I was completely wrong in my impression that she was happy to be more active or passive depending on the guy.
I sent her a text, got everything agreed, and then, as I happened to be looking at her aw profile and saw that she had handcuffs and a blindfold among her toys, sent her a text saying that it would be good if she could wear those too. She replied saying that she only used them on others, not on herself, and cancelling the booking! I tried to explain that it was not important for me at all -- forget I mentioned it. But she was insistent, and even said that on the previous booking I'd spanked her too hard. I didn't remember spanking her at all (although I may just have forgot), and I certainly didn't pick up that anything was wrong at the time.
Obviously she's entitled to turn down any booking for any reason, so I can't complain, but it seems a real shame to lose the contact as I was really happy last time. So I thought I'd just share my experience to in case it stops anyone else from making a similar mistake.