1) This was a kind of calendar with the days and months notched into a square or oblong piece of wood.
Writers have commented on the antiquity of such items but in fact the linguistic evidence is quite late, no earlier than 1679, in Staffordshire. In 1703, the Rev. George Plaxton wrote to the antiquarian collector Ralph Thoresby, and his letter contains the following interesting passage: I sent you a small pockett clog by my son, but I have a large family clog for you, with the notes very fair. In a postscript he wrote I can now unridle the Staffordshire clog and tell you the meaning of it.