Hat Manuf. [? f. LOCK sb.1 + -ING1.] (See quot.)
1900. Ann. Rep. Insp. Factories for 1898, II. 167. Locking . This is the last stage before the fur passes to the felt hat manufacturerthe trays of shaven fur are taken to women who remove the outer edges, leaving only the fur of the back which they compact by pressing it in the hand and place it in a bag.