Learn to knit quickly Lesson 4 How to Purl So Woolly February 14, 2018 / Learn to knit quickly Lesson 4: How to Purl. Knitting lessons for beginners, with videos, step by step, by So Woolly. Gimme your email...And I'll give you free patterns, tricks, tips, exclusive offers & automatic entry to great competitions! I agree to have my personal information transfered to MailChimp ( more information ) I will never give away, trade or sell your email address. You can unsubscribe at any time.