[Don't think he's done with you yet, Zara... But for now, focusing on Mary-]

Good pick! That's a nice one.

[He'll put the other two on a shelf, not quite returning them to their spot just yet, and then holds the comb out.]

This kinda comb looks best with updos since it doesn't stick too well when your hair's down, but even a simple twist will be enough to hold it! There's a mirror over here if you wanna give it a try.