|Sample knit with sport weight yarn on US 10 needles|
Multiple of 3
Row 1 (RS): *k1, (yo) twice, k2tog
Rows 2 and 4: purl, treating each double yarn over as a single stitch (purl first yo, then drop it and the second yo off left needle)
Row 3: *k2tog, (yo) twice, k1
Repeat these four rows for the pattern.