You find a collar deep in the woods, unknowing of its origins.

With no hesitation, you've decided to give it to Astarion since you found it to be more likely to his taste. Without his knowledge though, that collar came with a button.

So you, being mischievous as you are, decided to press it to see what it leads up to.

"Ah! Whatever you did, it made my neckpiece vibrate." He gasps, looking towards you.