This video indicates how to do a basic cable stitch in crochet. This cable stitch has 4 post-stitches, and tilts in the left direction.

It is used as a building block in many cable crochet patterns including the Glenrose Cable Scarf shown on the video thumbnail. The Glenrose Scarf pattern uses the stitch in this video and can be accessed at the links below:

Ravelry

Etsy