a machine that trims, sews, and
overcasts in one step.
*automatic tension adjustment
*automatic shutoff
*panel display
*easier threading
*computer enhanced stitch selection
*computerized sewing guidance
*more threads
*loopers
*cutting knives
*special edge finishes
*special threads
*differential feed
Two types of stitches: overlock and overedge
Use conventional machine for buttonholes,
straight stitch application of a zipper, and
topstitching
Once a seam is serged, no seam allowance
remains