Learn to Use Your Ribber is a daylong class for more advanced sock machine knitters.  You must be comfortable with  making a sock on a CSM, including turning a heel, to take this class.  You do not need to bring your machine to the class but you can if you have one in good working order.  Jim will help you time your ribber if needed.  Your instructor is Jim Grant who is an expert in using circular sock machines as well as repairing and rebuilding them.