How to knit a half domino square (horizontal)

In this DROPS video we show you how to knit a half domino square (horizontal). We already picked up stitches along the edges along one side of the dominos square and the vertical half square below. We also placed 1 marker in the middle st. We now knit as follows: Row 1 (= WS): K all sts. Row 2 (= RS): K until 1 st remains before marker, slip 1 st as if to K, K 2 tog, psso, K rest of row. Repeat 1st and 2nd row, i.e. dec 2 sts in the middle of the square on every RS row, at the same time slip last st at the end of every row on 1 thread or stitch holder. Continue until 3 or 4 st remain on needle (In this video we have 4 st). Knit next row (= RS) as follows: Slip 1 st as if to K, K 2 tog, psso, slip last st on row on the stitch holder in the side (if you had 4 st remaining). We now have 5 sts on the thread on each side of the middle st. Cut the yarn and pull it through the remaining middle sts. In this video we slip the stitches back on the needle to show the result of the half