Badass, sexy and ultra-wearable—the shag is ALWAYS in style. The Mother of THE SHAG, Sally Hershberger, shares her technique and tips on how to achieve this iconic cut. The rockstar hairdresser is the brains behind rock ‘n’ roll’s most coveted haircut on Joan Jett and the creator of Meg Ryan’s supremely ’90s shag. The ultimate in “non-hairdo-hair,” the shag is perhaps even cooler today than it was then—and now, you can learn how to recreate it from the master herself.