Sewing with stretchy fabrics has never been easier — the bernette b62 Airlock is a dedicated cover stitch and chain stitch machine that automatically threads the looper with a blast of air, so you can get straight to sewing. With 4 coverstitches and 3 chainstitches, colour-coded threading paths, a Free Hand System with knee lifter, and a large well-lit workspace, the b62 delivers clean, professional hems and finishes on knits and stretch fabrics every time.