Ridged-chevron-stitch

Multiple of 12 sts.

(add 3 for base chain)

1^st row: Skip 3ch (count as 1dc), 1dc into next ch,

*1dc into each of next 3ch, (2dc into next ch) twice; rep from * ending last rep with 2dc once only into last ch, turn>

2^nd row: 3ch (count as 1dc), 1dc into first st, always inserting hook into back loop only of each st *1dc into each of next 3 sts, (over next 2 sts work dc2tog) twice, 1dc into each of next 3 sts, (2dc into next st) twice; rep from ending last rep with 2dc once only into top of tch, turn.

Rep 2^nd row.