Shown with a cast-on count of 10 stitches.  

• Row 1 (RS): K5, yo, k2tog, yo, k2tog, yo, k1 (11 sts).
• Row 2: K7, yo, k2tog, k2.
• Row 3: K6, yo, k2tog, yo, k2tog, yo, k1 (12 sts).
• Row 4: K8, yo, k2tog, k2.
• Row 5: K7, yo, k2tog, yo, k2tog, yo, k1 (13 sts).
• Row 6: K9, yo, k2tog, k2.
• Row 7: K8, yo, k2tog, yo, k2tog, yo, k1 (14 sts).
• Row 8: K10, yo, k2tog, k2.
• Row 9: K9, yo, k2tog, yo, k2tog, yo, k1 (15 sts).
• Row 10: K4tog, BO 2 sts, k4, yo, k2tog, k2 (10 sts).