nut-bar

The bit-screw, passing through the nut-bar, is then turned back from the face of the coal or rock as far as is found necessary, and the bit secured to the same.

The nut-bar in Bed Three kept us all awake with his morose, nonsensical prophesies. And by “all of us” I mean myself, the gentleman in Bed Two, and the nut-bar as well, of course