Clicker

A tout for a shoemaker. A worker who distributes the cut out leather to the other workers in a cobbler's shop.

"Clicker, the Shoe-maker's Journeyman or Servant, that cuts out all the work, and stands at or walks before the door, and says 'What d' ye lack, sir? What d' ye buy, madam'?"

B. E., A new dictionary of the terms ancient and modern of the canting crew (1700)