Jeremiah 38:11-12
38:11 So Ebed Melech took the men with him and went to a room under the treasure room in the palace. He got some worn-out clothes and old rags from there and let them down by ropes to Jeremiah in the cistern.
38:12 Ebed Melech called down to Jeremiah, “Put these rags and worn-out clothes under your armpits to pad the ropes. Jeremiah did as Ebed Melech instructed.