wave in

verb1

1. •
   To try, in public, to attract people into a business establishment.

   • Bonnie Powers is the walking, talking hotdog who waves customers in off the street and greets the children with a smile. http://valdostadailytimes.com/archive/x1155920621/Slap-Daddy-s-serves-it-fresh-and-hot
   • While the gentleman in blue waves customers in and out at the rate of one every three and one-third minutes, bank teller Gooding peers up through his oversized periscope and discourses on the hazards of his job. http://www.thecrimson.com/article/1955/10/21/money-by-mirror-pthe-smiling-face/