How do you connect a seam to mattress stitch?
1Lay out your pieces next to each other, right sides facing up, bottom edges toward you. 2Locate the running thread between the first and second stitches on the bottom row of one piece. 3Thread the tail of yarn or a fresh piece on a tapestry needle. 4Join the bottom edges of the pieces, using a figure eight.
How do you sew two pieces of mattress together?
For Mattress Stitch you sew two knit pieces together by grabbing a strand of yarn from each edge, alternating back and forth, working vertically along the edges. The strand of yarn you grab is a horizontal bar that runs between the knit stitches (or “V”s).