Updated Speedway (Jelly-Roll Rug) Add-on Pattern AND video! THIS CLASS WILL NOT TEACH YOU HOW TO SEW A JELLY-ROLL RUG. This Speedway Jelly-Roll Rug add-on pattern follows the RJ Designs Jelly-Roll Rug Pattern. This class will review and provide the fabric requirements and measurements needed for the Speedway Jelly-Roll Rug. You must already know how to sew a Jelly-Roll Rug in order to use this pattern. Think of this as a bonus to or supplement to the RJ Deigns Jelly-Roll Rug pattern.