His hand comes out of his pocket automatically, but hesitantly, like he's unsure of the social nicety. A frown crosses his face momentarily, too, but it's unrelated.

"Penny...?"

Penny, Penny.

"Oh, hey, I think we talked earlier this week. The kid from Remnant, right?" Dave finally completes the handshake action, still as gingerly as he'd poke a sleeping dog. "Dave. I was the guy talking about apple juice. But let's figure out this cash thing, yeah? Don't want to hold up the line."