V-stitch
http://www.ouicrochet.com/2015/02/lacy-v-stitch-scarf-free-crochet-pattern.html
http://crochetpatterns09.blogspot.com/2015/01/video-learn-how-to-crochet-rope-stitch.html?m=1 v-stitch, I think
Example
Chain multiples of 3 plus 2.
V-stitch (v-st): dc, ch 1, dc in same space or stitch.
Row 1: v-st in 5th ch from hook, * sk 2 chs, v-st in next. Repeat from * across to last 2 chs, sk next, dc in last.
Row 2: ch 3, turn, * v-st in each ch 1 sp of prev row v-st. Repeat from * across to last, dc in tch for last stitch.
http://www.crochetconcupiscence.com/2015/05/v-stitch-crochet-patterns/
http://blog.redheart.com/how-to-crochet-classic-dc-v-stitch-plus-3-variations/
http://www.crochetconcupiscence.com/2014/10/celebrating-the-crochet-v-stitch/
http://www.crochetconcupiscence.com/2014/03/how-to-crochet-v-stitch/
http://mon-petit-four.com/easy-peasy-v-stitch-cowl/
http://www.lemondedesucrette.com/2014/08/23/v-stitch-square/