There’s always another secret, Kelsier thought. He didn’t bother trying to figure out how to open the contraption. He simply burned steel, reaching in and tugging against the weak source of metal that he assumed was the trapdoor’s locking mechanism. It resisted at first, pulling him against the wall, but he burned pewter and yanked harder. The lock snapped, and the panel swung open, revealing a small safe embedded in the wall.