Arthur looks at the door with a sigh, disappointment clear on his face. Of course she'd put iron everywhere; it's such an elegant solution. It's not always cheap but it's effective and doesn't create a level of complexity for the people she wants coming and going as they please.

He puts his hand on the door handle and tests it gently, just in case. The door is indeed locked but he's not about to give up. "Is it anything you can walk me through?" he asks.