Finnick picks up the collar with two hands, marvelling at it for a moment as the gears turn in his head. He pulls on the ring, tightening the chain, and he gets a funny feeling in his gut, his cock twitching simultaneously. His stomach has butterflies in it all of a sudden, but he's not sure if it's in a good or a bad way. He turns enough to look at her face.

"Be yours?"

He wants to know... What she means by that, what that entails from her point of view. Of course, the concept isn't new to him, but everyone has different expectations, and for him, expectations are an intimidating beast at times.