Yarn is a continuous length of fibers, spun or twisted, and used in the production of textiles. It’s usually found as an adjunct to a spinner’s or seamstress’s tool: e.g., a drop-spindle, niddy-noddy, quill of yarn, or shuttle. However, when collected into a visible mass, yarn can be a charge in its own right. One form is the simple “ball of yarn”, which Society heralds sometimes call a “clew of yarn” for the sake of a cant; the charge is found in the canting arms (Portuguese novelo) of Navaes or Novais, c.1540 [Nobreza xxviii]. Society practice grants no difference between a ball of yarn and a roundel.
There is also the “hank of yarn (or cotton)”, a skein of yarn wound and bound, as in the canting arms of Cotton, 1335 [DBA2 381; Parker 306]. The hank of yarn is palewise by default. See also knot.
Elena Carlisle bears: Per pall inverted Or, azure and argent, two domestic cats sejant guardant respectant counterchanged sable and argent and a ball of yarn azure.
Angharad Bach bears as a badge: Azure, three clews of yarn quarterly Or and argent.
Isabel Moundoghter bears as a badge: A clew of yarn pendant from a hank of cotton fesswise argent.