Kilee Nickels was working at Gap Kids when she noticed that something was missing from the retailer’s apparel line. “They sell a lot of cute clothes with belt loops but no belts,” Nickels said. “I thought, ‘This could be cute, and no one else is doing it.’” Nickels went to work for herself, making leather belts for children at home and selling them online. That business eventually folded, but not…