t's a shagging good time on the third installment of Bravo's "Shear Genius." The heat turns up when the stylists have one hour to create the iconic "Sally Hershberger Shag" which Hershberger made famous on Meg Ryan. Then, they must take their model's long hair to short with an unusal array of cutting tools. The guest judge in this episode is Garren, founder of Garren New York Salon.