Collapsible elbow braces on both sides clicked softly when fully extended, locking the window open.

Mr. Cavendish came in at twelve and locking the window was the last thing I did before he told me I could go.

It was late one night and he had his hand on the stair rail, when he heard me locking the window in the hall.

"So," I said, locking the window after the goblin, "what's the deal?"