John's been eyeing the woman in the duster since they got on the train. He sits alone, save for his canine companion who sits on the floor loyally next to him. After a few moments of internal debate, he nods to her, or more specifically, her very visible arsenal.

"Solid pieces." They looked serviceable, and their owner gave the impression of someone who knew how to use them, and wouldn't hesitate to do so. John hadn't come armed, but she was wearing all her weapons on her. The last firearm he'd used was an antique single-shot dueling pistol, which he'd dropped after finishing with.