Read it through once

“All right, I’ll do it, seeing it’s you, and you’ve been good to us and showed us the runaway nigger. But you got to be mighty careful. When we come around, you turn your back; and then whatever we’ve put in the pan, don’t you let on you see it at all. And don’t you look when Jim unloads the pan—something might happen, I don’t know what. And above all, don’t you _handle_ the witch-things.”