Hello. Can anyone tell me the meaning of the gesture which is described in "A Visit from St. Nicholas" by Clement Clark Moore? The gesture in question is done by St. Nicholas just before he goes up the chimney after delivering presents to the occupants of the house. "...He (St. Nicholas) spoke not a word, but went straight to his work, and filled all the stockings; then turned with a jerk, and laying his finger aside his nose, and giving a nod, up the chimney he rose;... Many thanks in advance!