Shown with a cast-on count of 4 stitches.  

• Round 1: K4.
• Round 2: [1-To-5 inc, brSl] twice (12 sts).
• Rounds 3-5: [K1, brSl] 6 times.
• Round 6: [K1, brSl, 1-to-5 inc, brSl, k1, brSl] twice (20 sts).
• Rounds 7-9: [K1, brSl] 10 times.
• Round 10: [[K1, brSl] twice, 1-to-5 inc, brSl, [k1, brSl] twice] twice (28 sts).
• Rounds 11-13: [K1, brSl] 14 times.
• Round 14: [(K1, yo, k1) in next st, brSl, [k1, brSl] 5 times, (k1, yo, k1) in next st, brSl] twice (36 sts).
• Rounds 15-17: [K1, brSl] 18 times.
• Round 18: [1-To-5 inc, brSl, k3tog, brSl, [k1, brSl] 3 times, k3tog, brSl, 1-to-5 inc, brSl] twice (44 sts).
• Rounds 19-21: [K1, brSl] 22 times.
• Round 22: [K1, brSl, 1-to-5 inc, brSl, k1, brSl, k3tog, brSl, k1, brSl, k3tog, brSl, k1, brSl, 1-to-5 inc, brSl, k1, brSl] twice (52 sts).
• Rounds 23-25: [K1, brSl] 26 times.
• Round 26: [[K1, brSl] twice, 1-to-5 inc, brSl, [k1, brSl] twice, k5tog, brSl, [k1, brSl] twice, 1-to-5 inc, brSl, [k1, brSl] twice] twice (60 sts).
• Rounds 27-29: [K1, brSl] 30 times.
• Round 30: [(K1, yo, k1) in next st, brSl, [k1, brSl] 6 times, 1-to-5 inc, brSl, [k1, brSl] 6 times, (k1, yo, k1) in next st, brSl] twice (76 sts).
• Rounds 31-33: [K1, brSl] 38 times.
• Round 34: [1-To-5 inc, brSl, k3tog, brSl, [k1, brSl] 3 times, k3tog, brSl, k1, brSl, 1-to-5 inc, brSl, k1, brSl, k3tog, brSl, [k1, brSl] 3 times, k3tog, brSl, 1-to-5 inc, brSl] twice (84 sts).
• Rounds 35-37: [K1, brSl] 42 times.
• Round 38: [K1, brSl, 1-to-5 inc, brSl, k1, brSl, k3tog, brSl, k1, brSl, k3tog, brSl, [k1, brSl] twice, 1-to-5 inc, brSl, [k1, brSl] twice, k3tog, brSl, k1, brSl, k3tog, brSl, k1, brSl, 1-to-5 inc, brSl, k1, brSl] twice (92 sts).
• Rounds 39-41: [K1, brSl] 46 times.
• Round 42: [[K1, brSl] twice, 1-to-5 inc, brSl, [k1, brSl] twice, k5tog, brSl, [k1, brSl] 3 times, 1-to-5 inc, brSl, [k1, brSl] 3 times, k5tog, brSl, [k1, brSl] twice, 1-to-5 inc, brSl, [k1, brSl] twice] twice (100 sts).
• Rounds 43-45: [K1, brSl] 50 times.