Here's a neat stitch that uses the tunisian crochet method. It forms lacy shells or fans and is called Crochet Tunisian Shell Stitch 001 from the Stitchorama by Naztazia collection. You will need a tunisian or an afghan hook. See below on where to purchase this.
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Access the Written Pattern PDF here! This pattern is available as a PDF (Portable Document File), which most desktop computers, tablets and mobile phones can easily read. If you cannot access it, you will most likely need to update your PDF reader to the latest version.