Okay, I've used up most of my good ideas about punishment on Sylvie; I need something new and humiliating.
Knowing her, what I need is something that will humiliate her, without it being too public. I will tell you about some of the things I have done to her, so you will see what works on her. Some of these things will seem rather tame to some of you, I'm sure, but remember, we're not talking about pain here - that's no punishment for someone who loves pain as much as Sylvie does. I also can't just remove myself from her, 'cause that makes her sad, not humiliated.
#1) I took her into a public washroom, with people coming in and out and made her undress completely, then I took her clothes and left her there for a while.
#2) I made her get undressed as we were driving around her father's neighbourhood. Every time we came up to a stop sign, I made her remove more clothes, until she was completely naked. It was September, so it was a little cool out anyhow.
#3) She has a pair of pants that had pockets. I slit the righthand pocket open, and then took her somewhere very crowded. We were at the back of a crowded elevator, I stuck my hand into the open pocket, and started to finger her bare slit. Of course, she couldn't do anything about it, except turn very red.
#4) I made her enter a wet t-shirt contest, which doesn't sound like much until you realize that she has really small breasts, and she hates to be looked at like that.
We often have play scenes where she is humiliated, but we do them at home or when we're traveling. I need something I can do during a normal day; something more than no underwear at work. It has to be imaginative.