It's a business in which the satisfied customers keep quiet.
The boys will be making sure the customers keep their hands to themselves.
But the couple's friends and former customers keep them busy enough.
Difficult as it was to believe, customers kept coming in, all night long.
They got in their car, and the customer kept coming.
This many customers must be keeping him running, she thought.
Many customers will keep using a card only if they actually get the reward.
But a customer looking for real discounts should keep walking.
The customers, it turned out, kept coming back for more long after the entertainment left town.
His regular customers keep asking what he is going to do.