"125 square feet. I wanna see a guy with an MBA in business -- give him 125 square feet and say 'you gotta support three wives, two mistresses, and five kids' -- he'd be fucked, man, he wouldn't be able to do it." Phil Mortillaro, a New Yorker born and raised, runs his locksmith business in Manhattan's smallest freestanding building: a small, cave-like room packed with hundreds of keys and related machinery. His passion, however, is welding sculptures from keys and other metal parts. The shop is his living and he gives his art away for free. This short documentary is part of an ongoing series from Moonshot Productions called New Yorkers. The producers discuss the ongoing project in an interview with the Atlantic Video channel here. Don't miss their profiles of a Shaolin warrior monk and an obsessive graffiti artist named Guess

For more videos from Moonshot Productions, visit http://nyorkers.com/.

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.