Time Traveller

"Oh, suddenly lost our tongue, have we?" The sheriff mocks. He strides over and yanks you to your feet. "Alright then, if yer ain't inclined to speak to me, we'll see how some time in a cell cooling down will loosen up yer jaw,"

He begins to shove you towards the dingy line of cells. Who knows how long you could be in there? You have to do something, but what?