A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 37 Page 7

They seek him everywhere. They stand at the gates of the town, with certain of the slaves who will discover him to them if he cometh, and none can pass out but he will be first examined.”

“Might one see the place where the rest are confined?”

“The outside of it — yes.

The inside of it — but ye will not want to see that.”

I took the address of that prison for future reference and then sauntered off. At the first second-hand clothing shop I came to, up a back street, I got a rough rig suitable for a common seaman who might be going on a cold voyage, and bound up my face with a liberal bandage, saying I had a toothache. This concealed my worst bruises. It was a transformation.