This implement he applied to the bow-handle of the fixture on the door. It would not fit the iron loop, but he whittled it down on one side with his pocket-knife till he made it fit exactly in its place with some hard pressure. But shaking the door might cause it to drop out, and he completed the job by lashing it to the handle of the door with a lanyard he had in his pocket. When he had finished his work he was confident the captain could not get out of his room unless he broke down the door, which he lacked the means to accomplish.