Double Slip-stitch Rib knitting pattern two-row repeat October 21, 2020 / Double Slip-stitch Rib: A two-row repeat, unisex knitting pattern. So Woolly. Gimme your email...And I'll give you free patterns, tricks, tips, exclusive offers & automatic entry to great competitions! Thank you for subscribing. Something went wrong. 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.