Yarn is doubled throughoutWhen you see “yarn is doubled throughout” in a knitting pattern this means that: two strands of yarn are worked as one.See also: Hand Wound Center-Pull Ball, Center-pull Bobbin, and Yarn is doubled throughout. Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)