Watch up close as Sally Hershberger teaches how to give a shag haircut to the stylists at her salon in downtown New York City. http://www.youtube.com/watch?v=4ENjqRbIXCY&feature=youtu.be —Kristen Heinzinger YOUR WEEKLY NEWSLETTER - FREE Enjoying this story? Subscribe to Hello! Gorgeous Hello! Gorgeous is your weekly guide for inspirational trends, techniques, tips, education and the latest beauty news. To read on the go, sign up today to get beauty news and updates delivered right to your inbox!