This pattern uses just one crochet stitch - Treble Crochet (this is called a Double Crochet in the US). It's an incredibly simple but very effective mixed stripe using two rows of crochet for each colour. The simplicity of it.
How to knit woven stitch with wool and the gang. ROW 1 (RIGHT Slip your first Insert your right needle into the back of the second stitch on the left Wrap the yarn and pull the stitch through as for a regular knit stitch.