Shown with a cast-on count of 5 stitches.  

• Row 1 (RS): K5.
• Row 2: Kfb, k1, k2, kfb (7 sts).
• Row 3: Kfb, knit to last 5 sts, sl1-k2tog-psso, k1, kfb.
• Row 4: Kfb, k2, p1, k2, kfb (9 sts).
• Row 5: Kfb, k2, sl1-k2tog-psso, k2, kfb.
• Row 6: Kfb, k3, p1, k3, kfb (11 sts).
• Row 7: Kfb, k3, sl1-k2tog-psso, k3, kfb.
• Row 8: Kfb, k4, p1, k4, kfb (13 sts).