8. Pin the piece with welt sandwiched between the lining and vest and sew along the lower line.
Make sure to just sew below the stitch line so it won’t show when the pocket welt is turned up the right way.
Fold the lining back down over the welt and lay the second lining Stitch the second ling along the upper line, approx 10 mm above the first row of stitches.
This line is shorter and this is important to do exactly as shown.