Use mattress stitch makes an almost invisible seam on the front, especially when used with two pieces of stocking stitch knitting. Shown here to join a side seam.
by Madhu The Knitter
by LoomaHat.com
by New Stitch a Day: Knitting and
by Bunai Sweater Design
by Shraddha's Fashion Hub
by TwinkieChanTV
by The Corner of Craft