In this tutorial you will find step-by-steps instructions on how to thread your BERNINA L 220 serger / overlocker. As you will see in this how to video, clear colour markings allow you to see at a glance how the threads should be positioned, without having to look up complicated pages in the manual. This video tutorial will show you step by step how to thread the bobbin thread and the three needle threads, as well as which cover stitches you can use. This allows you to learn how to do a perfect 3-needle cover stitch and a 5mm or 2.5mm wide 2-needle cover stitch using the L 220 overlock machine -- the tutorial is clear and easy to understand. Furthermore, you will be changing the needle in no time thanks to the accessory included in the looper cover. BERNINA sewing comfort in our usual precision -- the latest technology for all-round professional sewing results. More information can be found at www.bernina.com/overlocker or from your specialist dealer.