Special Hooks

First off, Tunisian crochet supplies are a bit different in that the hooks are longer and typically have a kind of knob called a stopper at the end. These hooks are somewhat similar to knitting needles. The stopper at the end of a Tunisian crochet hook has much the same function as the stopper on a knitting needle—to keep the stitches from falling off. This gives you insight into the major difference between Tunisian crochet and regular crochet stitches: in Tunisian crochet, you hold more than one stitch on the hook at a time.

Two Rows

Another difference between Tunisian crochet stitches and other stitches used in crocheting has to do with how each of the rows is worked. Unlike other crochet stitches, the Tunisian crochet stitch requires you to work each row in two passes; on the first pass, you loop the yarn onto the hook and then on the second pass you loop it back off again. 

Increases and Decreases

Rectangles and squares are great, but there are going to be times when you want to create some shaping in your work. For those occasions, you will need to learn how to increase and decrease in Tunisian Simple Stitch. Source

New Stitch a Day

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Petals to Picots

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ACA

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A Crochet Journey

Advanced Tunisian Crochet Stitches: Some of the other popular Tunisian crochet stitches are the Twisted Tunisian Stitch, Tunisian Diagonal Stitch, and Tunisian Double Crochet.  Tunisian Entrelac Crochet: This is a fun type of Tunisian crochet that uses short rows, which means that you can actually practice it with a regular hook if you don’t have a long Tunisian crochet hook to work with. It creates a pattern that looks like entrelac in knitting. Tunisian Crochet In the Round: This curated roundup of links to videos and tutorials demonstrate how to make seamless tube-shaped crochet projects using the afghan stitch or other Tunisian crochet stitches.

Reference Books

The New Tunisian Crochet: Contemporary Designs from Time-Honored Traditions by Dora Ohrenstein has 30 different stitch patterns in Tunisian crochet that the author has updated from historical archives. Fair Isle Tunisian Crochet: Step-by-Step Instructions and 16 Colorful Cowls, Sweaters, and More by Brenda Bourg is a great resource for people who want to get the Fair Isle knitting look while working in crochet.

Classes

There are some great Tunisian crochet classes available online that allow you to take the craft further. One great example is Dora Ohrenstein’s Craftsy class, Custom Fit Tunisian Crochet, a class that teaches you how to use the technique to get the right fit with the clothing you make. Source

Red Heart