"I'm wounded, Spinnet, I truly am," he said with mock hurt. "Well, I promise when we've got a workable prototype for the Quidditch player, I'll send it your way for product testing." He returned her wink with a broad one of his own.
He followed her around the shelves, manner turning a touch more serious as she spoke of her mysterious houseguest once more. "Alright, I'll hold you to that. If you need anything, just owl." His smile widening again when she asked about other products, he gestured behind him with a flourish. "Right this way, my dear, I'm sure we can find you several other useful products."