Purling through the back loop has never been easier now that this video has cleared up the confusion. Most standard knitting practices have you purl through the front, but when it calls for purling through the back this video describes in detail how to successfully complete the task. After watching this video, you will be able to follow step by step on purling through the back loop. When you purl through the back loop the fabric twists and creates a stronger fabric. Watch and learn first hand!