David Whitmer described Joseph as translating with his face in the hat.
David Whitmer, letter to the editor, 13 June, 1881, Kansas City Daily Journal, June 19, 1881, in Dan Vogel, ed., Early Mormon Documents, 5 vols. (Salt Lake City: Signature Books, 2003), 5:81-82
in translating he put the stone in his hat and putting his face in his hat so as to excluded the light and that then the light and characters appeared in the hat together with the interpretation which he uttered and was written by the scribe and which was tested at the time as stated.