One of the founding owners of Floyd's 99 Barbershop—a Denver mainstay since 2001—Rob O'Brien talks to 5280 about the story behind the name, the ins and outs of the barbershop business, and success in Denver. Deck: After working in the concession business for two decades, Rob O'Brien and his brothers Bill and Paul opened up Floyd's 99 Barbershop in Denver in 2001; since then, the chain has expanded to 45 stores nationwide. Here, O'Brien talks about concessionaire hustling, the barbershop business, and success in Denver.