We sit down in Luke Joyce’s new office, in a group of converted old sheds he bought off his family’s farm, clinging to the side of Tallaght Hill just south of Dublin. “The building we’re in here now was originally my Nanny’s. She had a team of knitters who used to work in here,” he says. A frame on the wall contains mementoes from that era, including a photograph of Marilyn Monroe wearing a sweater knitted here, and bog-oak buttons made by an employee of Joyce’s grandmother’s. “That’s kind of what I was born around,” he says. “There was always…