Cast on 120 sts (long-tail cast on method) with size 3 needles.
Join and place marker for beg of round.

Rnd 1: *k3, p2* repeat

Rnd 2: *k1, sl1 as if to purl, k1, p2* repeat

Work rounds until piece measures 7 inches.
Bind off in pattern.

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Abbreviations:
beg = beginning
k = knit
p = purl
sl1 = slip 1