Purl Twist Textured Pattern

Pattern
Cast on a multiple of 2 stitches.
Row 1 (RS): Knit
Row 2 (WS): *P2tog, leaving sts on needle, purl first stitch again, then slip both from needle; rep from *.
Row 1: Knit
Row 4: P1, *P2tog, leaving sts on needle, purl first stitch again, then slip both from needle; rep from * to last st, p1
Rep rows 1-4.