4-thread overlock
A specialized sewing machine that trims, sews, and finishes edges simultaneously, ideal for knits.
Where it is used
Step 4: Stitching lining strap
p. 4- Sew and serge the edges of the shelf lining strap together at the same time, using a 4-thread overlock machine.

Related terms
← requiresOverlock seam
← requiresStitching side seams
← requiresElasticated upper edge
← requiresFinishing top edge
← requiresSerging bottom edge
← requiresSide seams
← requiresHemming
← requiresPocket construction