"Well, if you'd like to try them I'll order a few extra and you can try both ways, but personally I wouldn't advise it."
"They use machines that exhale poisons to do a great many things we use magic for."
He looks curious as three possibilities come to mind. "Oh?" A bit sulkily, "I'd really rather play dumb, at least until they do something."
"Oh, that's just to spice the game up a bit," Severus says cheerfully, carefully avoiding Rus's eye lest one of them convince the man he really is being made fun of. "If he lands one in the nine-wedge this round, it'll be worth double the points."