a wooden 'staircase'
(..) - he never leaves the east wing. - You know, I heard he had an accident. - Yeah, that he's disfigured. He has to wear a... - Mr. Till! Why are your people using the main staircase? And where's Mrs. Bolton? Uh, she's at the bar, sir. Can I help? The east drawing room. (..)2012 The Dark Knight Rises