In anticipation of an encounter, I bought a top and a skirt for the provider to wear (not a costume).  At the beginning of our session, I brought the outfit out, she put it on and I "enjoyed" it thoroughly.  But, at the end of the session, while I was collecting my things, she motioned to the outfit.

and sexy underthings, etc., are a frequent entry in many gals' "gift pages".  While these things don't necessarily need to be worn for a session, they often are, but since they were offered as a gift, then of course the gal gets to keep them.

When my dates are extended dates I always bring the "get up" for the young lady to model for me. I know what I like and what I hate (garter belts are the worse along with fishnet stockings). And it's always GIFT, it's just plain common sense, I mean who would recycle clothes, be it intimate or casual wear to another lady?  
It's cool to see the young lady dancing and prancing in what you got her. She'll enjoy the gesture and it's a bit of a turn on.
I don't do the whole Agent Provocateur, you nuts!!! But what I bring is tasteful and still had that naughty look.
Now I don't do it when I do a one hour incall, or if it's a quick "hit it and quit it"....it's too much hassle.
So in my world, yes it's a kinda thing.....BUT TREAT IT AS A GIFT!!!!

may one truly receive.  

Just ask provider #2 how much she enjoys wearing some other girl's panties.  

This is an interesting thread not seen before!  (at least not by me, because someone in the regular peanut gallery will make a snide remark)

Had a client with a specific stewardess fantasy and I didnt have the outfi that he wanted so I told him as long as he bought the outfit for me I wouldnt add the extra donation. So after the date was over I started to hang up the outfit and he was like oh I wanted that back to gift to my wife for Halloween. I was taken back and kind of disgusted (although I didnt show it lol) so I politely said that he would have to provide the extra donation if he wasn't going to let me keep the outfit and he argued and said that it wasn't what we agreed on and I explained that I thought it was an understanding and something that didnt have to be said that I would be keeping the outfit. He argued and said Why would I think that and I said because Ive never had any client take back something they had brought with them for me to wear. He was being a real pain about it and I could tell that he wasnt going to give me the outfit or the extra donation so I just let him have it and he left.
That was the first and only time I have ever had anyone take something back. I felt bad for the wife and wondered if he really ended up giving it to her. Guess I'll never know!!

The character traits of an ass hole do bubble up at the least little bit of contention. I believe you were smart to finally let him take back his gift - the smart, safe thing to do.  

When I bring anything to an incall it is always a gift, meaning it's for the girl to keep! Be aware of what things cost and if you can't afford to leave it, don't bring it! Now with size it can be tricky. You can guess, sneak a look at a label when you're removing the piece of clothing or ask!  

Given the fact that women will rarely wear something that doesn't fit them well, I wonder if he chose you because your dimensions matched his wife's. This isn't a slight btw, but it does sound extremely weird.  

What a nit....  I can't decide if he is a cheapskate, or really totally clueless.  I hope he at the very least left a tip?
Generally speaking, my gifts are the "tip" and future visits are a combination of another gift/extra $$$ combo.  

She wore it for you because you brought it.  That doesn't mean she liked the outfit.  She motioned for you to take the outfit with you because it probably wasn't her style.  If she thought she could use it in a role play as a secretary or teacher, she may have kept it.

I leave there.  Girls get skittish if they think you may reuse ANYTHING with multiple providers.  Whatever it is I want to take, I buy it new, and leave it as a gift.  I try to present it in the original packaging so she KNOWS its unused.  This goes for clothes, lingerie, toys and whatever.  If she doesn't want to keep it, SHE can dispose of it.  I don't want to know.  

Thanks for the comments.

What poor taste on two accounts.  Going back on an agreement being one, giving it to his wife being second.

When you brought an outfit to the session; Did you ask or indicate that you want a discount for the session just because you brought a sexy outfit to the session?   If your answer is 100% "NO". Then She should have kept the Outfit and said "Thankyou".