bernette b68 AirlockBuilt for sewists who want the flexibility of a combo machine, with easy air threading and room to grow into more advanced finishes. Bring your biggest ideas to life with the b68 AIRLOCK a combo overlock and coverstitch machine designed to make sewing with knits, wovens, and decorative threads feel smoother, easier, and more enjoyable. It combines overlock, coverstitch, chainstitch, and combo stitches in one machine, and adds air threading for the