The herringbone half-double crochet stitch creates a lovely, reversible texture, with stitches leaning to the left on one row and the right on the next row. It sounds much more complicated than it is. It’s really just a slight variation on the half-double crochet.
Herringbone Half-Double Crochet (hhdc) – Photo Tutorial:
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Half Double Crochet (hdc)
Let’s first look, in detail, at how a normal half double crochet works. As you know, you start with a yarn over, then insert your hook in the next stitch, yarn over and pull up a loop. In the picture below, the purple loop is the one that was already on the hook, the blue loop is the yarn over, and the red loop is the one that was pulled up.
Herringbone half-double crochet (hhdc)
For the herringbone variation, we’re going to move that yarn over, so it lays down flat. We start exactly the same way as for an hdc: Yarn over, insert hook in next stitch, pull up a loop. Now there’s the difference – take that loop you pulled up (shown in red), and pull it through the yarn over (shown in blue).
Moving that yarn over creates a little more bulk at the bottom of the stitch, and less on top. This gives hhdc a little bit more drape than a normal hdc. It also makes the top of the stitch appear to be leaning to the left. Since you turn your work with every row, each row will alternate the direction that it leans. This is what creates the reversible herringbone effect.
Changing Colors – Video Tutorial: