We've long coveted the effortlessly cool styling Jenna Lyons employs in every J.Crew lookbook, so when the creative genius sat down with Man Repeller's Leandra Medine [1], we were all ears. And, between the speed-round questions and lipstick application challenge (sans mirror!), Jenna finally spilled the beans on just how to master that perfectly imperfect J.Crew cuff. Just watch — the dos and don'ts of getting that impossibly cool cuffed shirt are all right here.