"Shall I take my shirt off as well or is it still only Lambert that you're interested in?" It's a joke, certainly, considering they already went over that ridiculous question when Childermass first showed up to yell at him. Still, he'll set about loosening his collar and pulling out the necklace in question. It's an old one made of jade beads and pendant, intricately designed in a way that a man like Childermass would surely not wear it unless it had an actual use.

Such as cheating at drinking games, for example.

He lifts it up and over his head, taking it off.

"There."