"It must be the top drawer," he reflected. "So she carries the keys in a pocket on the right. All in one bunch on a steel ring... . And there's one key there, three times as big as all the others, with deep notches; that can't be the key of the chest of drawers ... then there must be some other chest or strong-box ... that's worth knowing. Strong-boxes always have keys like that ... but how degrading it all is."