This video tutorial goes over how to crochet the wavy chevron stitch.   This stitch is used in the free chevron baby blanket pattern available on this blog.

Stitch Instructions:

Chain a multiple of 8 plus 3

Row 1: 1 DC in fourth ch from hook, 1 DC in next ch, [2DCTOG] twice, 1 DC in next ch, 2 DC in next ch, *2DC in next ch, 1DC in next ch,  [2DCTOG] twice, 1 DC in next ch, 2 DC in next ch; repeat from * to end and turn.

Row 2: CH3, 1 DC in first dc, 1 DC in next dc, [2DCTOG] twice, 1 DC in next dc, 2 DC in next  dc, *2 DC in next  dc, 1 DC in next dc, [2DCTOG] twice, 1 DC in next dc, 2 DC in next  dc; repeat from * to end of the row, working last 2 DC in the third ch of turning chain.

Repeat row 2 until your work measured the desired length.