The gesture is definitely familiar - seemed there were plenty of similarities between worlds - and Sam reaches up to grasp the offered hand, giving it a firm shake. He's still getting used to the way Gam? talks, but it's easy enough to understand. "Pleasures all mine. You're more than welcome to just call me Sam. Simpler and easier to be saying when trying to get my attention.

So where are you from, Gam?" Not that he's going to understand it much, but it was good to know where their Rifters were coming from. Mainly in case any of them might know each other.