Foundation Row: In the 4th chain from the hook, work dc, ch 1, dc in the same ch. *Skip two chains and work dc, ch 1, dc in the same ch. Repeat 3 more times from * to end, then in the last ch, work 1 dc, ch 1, 1 dc in the same ch.
Row 1: Turn, ch 3 and work dc, ch 1, dc in each of the chain 1 spaces from the previous row (center of each "V"). At the end of the row, finish with a dc in the last space (ch 3 turning space).
Repeat row 1 until neckwarmer is desired length.
Weave in ends and you're all finished! Sew buttons with placing them as shown.