I would tease her a lot in that position, as long as she’s securely tied and unable to retaliate! I guess suffering her wrath afterwards for said teasing would also be pretty sweet.
Btw I tried a vector bg for the first time, made by Vector-Brony. Source is: https://www.deviantart.com/vector-brony/art/Ponyville-Background-485405650
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I don’t think she’d be too violent about it, and the fact that she’s willing to go through with this shows that she’s already more than a little tamed. She just probably enjoys dishing the humiliation out a lot more than receiving it.
That said, the best revenge is definitely finding a way to one-up her every time. And considering how irrationally angry she can get, that’s probably not very hard…
Edited
Do you think she would choose to embarrass them or maybe go for a more violent kind of revenge?
I assume she wouldn’t just accept her defeat like that, butt maybe if it keeps happening, eventually she would be partially tamed. Especially if she tries to get some revenge and she ends up in an even more humiliating and submissive position.
Edited
And I’m sure she can think of something more embarrassing to lead whoever’s holding that leash around by later.