4-thread overlock machine
A specialized sewing machine that trims the fabric edge and encases it in thread, ideal for sewing stretchy knit seams.
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.

Attach Sleeves
p. 10- Attach and serge the sleeves to the armholes in one step using a 4-thread overlock machine (alternatively, sew with a standard machine, then finish the edges with a regular 3-thread overlock).

Related terms
← requiresRaglan sleeve assembly
requiresSewing thread
← requires4-thread overlock seam
← requires4-thread overlock seam
requires4-thread overlock seam
← requiresSide seam stitching
compatible withKnit fabric
← compatible withSleeve installation
← requiresCuff assembly
← requiresShoulder seam