This class is for Husqvarna Viking H Class 200S, Huskylock s21, and Huskylock s25. This class is an introduction to you new serger. Learn the basic features of you machine including how to thread and more stitching techniques like 4 thread overlock and 3 thread overlock and 2 thread overlock. Please bring your machine, accessories, machine owner’s manual, and serger thread (4 different colors is best).