Baby Lock Evolve Wave Cover Hem will help you experience the next evolution in overlocking history. Through advanced patents, Baby Lock brings you the first overlocker to use eight threads at one time. Evolve have more stitch options than ever. And don’t let all of those threads intimidate you - the Evolve includes Jet-Air Threading™, which threads the overlocker for you with the touch of a lever, including Baby Lock's exclusive Wave Stitch. Additionally, the New Evolve doubles as a cover stitch machine, making it the first overlocker to ever chain off the cover stitch. You can even combine overlock and chain stitches to form 8 thread chain stitches never before seen on a household overlocker. The New Baby Lock Evolve includes all of the convenience through exclusive features that you'd expect from Baby Lock and much more! Eliminate tensions and puckering with our exclusive Automatic Tension Delivery and full-featured differential feed.