Single Crochet Raised Rib Stitch
http://crochetpatterns09.blogspot.com/2014/09/single-crochet-raised-rib.html
http://crochetpatterns09.blogspot.com/2015/01/crochet-video-single-crochet-raised-rib.html
Raised rib stitch http://m.youtube.com/watch?v=yc0NCkmXD_U
Single Crochet Rib
Uses a back-loop single crochet.
Begin with any number of stitches for foundation chain, and then add 1 stitch to the beginning chain.
Row 1: sc into 2nd chain from hook and into each chain across.
Row 2: ch 1, turn, BLsc into each sc across.
Repeat row 2 for the pattern.