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The Extended Half-Double Stitch is a variation of the regular half-double stitch. In fact, If you know how to make the basic half double, you will be able to learn this one quite easily.
In addition, the Extended Half-Double Stitch looks a lot like a double crochet stitch but with an additional step, giving it a slightly taller height than your regular half double. It also has a slightly different texture
The pattern repeat for this stitch is 10 plus 2, which means that you can make a chain any multiple of 10 and then an additional 2 to any length of blanket that you desire.
If you are not familiar with how to crochet the half double crochet stitch, we have a great, step-by-step tutorial that you can find here: Half Double Crochet: Learn How to Half Double Crochet.
Do not forget to pull the yarn through the top of the stitch when working the Extended Half Double. Then pull through the first loop on the hook before pulling through all three remaining loops. (Please see detailed instructions below.)
This should result in a lightweight stitch with a gorgeous drape, making it perfect for blankets and other home projects.
It is important to note that this stitch pattern is using US crochet terms. In fact, the term half-double crochet is not used in UK terms. It is called half-treble crochet on UK crochet patterns.
If you want to learn more about the differences between US and UK crochet terms, check out this article: Crochet Terms: US and UK Term Differences Explained
Techniques Used for the Extended Half-Double Stitch Pattern
Special Stitch – Exhdc (Extended half double crochet)
Yo, insert hook.
Yo, draw loop through.
Yo, draw through 1 loop.
Yo, draw through all 3 hoops on hook.
Crochet Instructions – Step by Step
Multiple: any number of stitches, plus 2 for the foundation chain.
1 Exhdc in 4th ch from hook.
1 Exhdc in every ch to end of row.
Ch 3 (counts as 1 dc).
Skip 1st stitch.
1 Exhdc in next and every Exhdc to end of row.
1 Exhdc in 3rd of ch 3.
Repeat Step 3.
Crochet Chart for the Extended Half-Double Stitch
For those who prefer a visual representation of a crochet stitch pattern, here’s a crochet diagram for your reference.