This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Clock. [From Ang.-Sax. clokke, a time-piece, which, in its original form, was bell-shaped]. A term applied first in 1543 to a bell-shaped ornament or flower upon the sides of hoods and hose. At present, any figured ornament on the side of the ankle and leg of a stocking, either woven in the fabric or embroidered upon it.