"Using sound instead of wands as an interface. I've worked with it a bit in the past, although not extensively." He shrugs. "I expect you'll manage. Work it out as you go along sort of thing."
Unable to help himself even for the sake of a cover (especially since no one's life depends on this one), he points out (with a note of acerbity, although it's highly restrained for him), "It's too late to ask after putting forward a proposal like that. Excuse us a moment, we need to talk about this." Beat. "Privately."
He draws Rus a little ways away, and puts up a descendant of the muffliato spell, which instead of a buzzing noise emits the experience of a private conversation too low to be heard which you are a heel for trying to listen to, what are you? "All right," he says flatly, "that man is either playing a deeper game than he appears to be or unusually stupid even for a fool and fishing for trouble. How do you want to play this?"
"So I thought you'd be pleased to have the possibility of covert magic precluded," he returns, on the verge of snapping. Silent and wandless magics are two of his specialties, after all. "Means if you get an eleven this turn--or this throw, now, it counts double."
meep! In that I tend to rack up ridiculous fines, yes. heh. It has its uses.