"Yeah. Actually-" He pauses from his nail pulling, each one going into his coat pocket because they needed those, goddamnit, before unbuttoning his wool overcoat and the denim so he could reach into a pocket. It gave Arthur a good look at his side piece too, held secure in it's weathered patina holster before Raylan handed him something much more interesting to look at.

An amulet with a sigil carved deep into it, stained with blood.

"Methuselah taught a guy named Heartman how to make them - he's missin' now, but the knowledge lives on. Our blood - Interloper blood - is the trick for helping ease the Darkwalker's coming and goin', but apparently it can't be your own. Might be other applications too, but I don't know much of anythin' about that kind of thing so I'm afraid I'm not much help."