"Ah." He sets his teacup away. "The founder of the House devised a way to weave Glamour into steel, and that made it safe for all of us to use. They are precise, as they must be to make the things they do, and efficient, which conserves resources. Practical; if it works, it works, and if it doesn't... fix it. In fact, sometimes when they find a masterpiece in their specialty, they can get... well, lost in it. They can actually create Glamour just looking at it. And they can put Glamour into the things they create, of course. Do that can strengthen their will to accomplish ... anything."