Right Diagonal stitch | Easy to knit and easy to remember

Knitted in a multiple of 2 sts and 4-row repeat.
Row 1 (Wrong side): Purl all sts.
Row 2 (Right side): Knit 1, * knit 2 sts together but do not drop from left-hand needle; then knit the first stitch and slip both together from the needle; repeat from * to last st, knit 1.
Row 3: Purl all sts.
Row 4: * Knit 2 sts together but do not drop from left-hand needle; then knit the first stitch and slip both together from the needle; repeat from * to end.