The Half Double Crochet Slip Stitch is great for any time you need a stretchy fabric. Half Double Crochet Slip Stitch (HdcSS): Yo, insert hook into next stitch, pull up a loop so that you have 3 loops on your hook. Pull first loop on hook through remaining 2 loops. Stitch complete.
Double Slip Stitch (dsl) — Nomad Stitches
Back third loop of the HDC
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