Yondu's face softens up when he realizes what Soldat did. He'd been out there without any of them and it had been wierdly isolating. Like them little things always reminded him there was people, or that he was a person what owned stuff.

And here Soldat was, holding one.

"That's what they're for." Because it's nice to think that maybe they were still doing their job, just in someone else's hands and reminding them of him.