Serging bottom edge
Joining the lower edge of the outer top and lining together using a 4-thread overlock.
Where it is used
Pinning the top to the lining
p. 4- Pin the outer top to the lining along the upper edge, matching the raw edges and side seams, with right sides facing each other.

Finishing the top edge
p. 5- Finish the top edge of the top with the lining, while simultaneously stitching on the elastic all the way around using a 4-thread serger. Tuck the overlock thread tails into the cover-stitching line using a hook.

Pressing the top edge
p. 5- Turn right side out and press the top edge of the top, forming a slight roll from the front and back outer pieces.

Pinning the bottom edge
p. 5- Place the lining and the top together with wrong sides facing. Pin the lower edge of the outer top to the lining edge, turning a small section so the right sides face inward. Pin the edges through the open section at the hem.

Serging the bottom edge
p. 6- Serge the lower edge of the top shell to the lining edge on a 4-thread overlock, gently stretching and smoothing the seam allowances all the way around. Use a hook to tuck the serger thread tails into the coverstitch line.

Pressing the bottom edge
p. 6- Press the bottom edge of the top, forming a slight roll to the inside from the outer fabric on the front and back pieces.

12. Finish lower seam allowance
p. 6- Finish the lower seam allowance of the placket, keeping all layers together. Use a crochet hook to tuck in the serger threads neatly along the seam.

Finish Lower Edges
p. 7- Finish the lower edge of the sweater and sleeves with a serger. Stitch from the right side. Press to set the seam.

3.
p. 4- Pin the side edges of the top lining together, matching notches and raw edges with right sides facing.

2.
p. 4- Sew and serge the top's side seams at the same time using a 4-thread overlock machine, easing the front edge in the bust area. (Alternatively, sew with a regular machine, then finish the edges with a standard 3-thread overlocker.) Use a 0.7 cm seam allowance.

4.
p. 4- Stitch and serge the side seams of the lining at the same time on a 4-thread overlock machine (or first use a regular sewing machine, then finish the edges with a standard 3-thread serger). Seam allowance: 0.7 cm.

7.
p. 5- Pin the top and lining together along the upper edge and armhole curves, matching the edges and placing the wrong sides face to face.

Related terms
requires4-thread overlock