How to add a straight edge to a hexagon blanket ~ good tutorial with detailed instructions & photos, by Lisa Clarke of Polka Dot Cottage Crochet Tutorials, Crochet Hexagons, Straight Edging, Edging Crochet, Hexagons Crochet, 10 Blankets, Crochet Knits, Blankets 03, Hexagons Blankets
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Love the edging.. should be able to figure it out... looks like it is just Dc, ch 1 around, then sc evenly, then dc shell in some stitch.
stunning edge on crochet blanket - Links to Etsy. No pattern, but looks like a double crochet shell stitch with a picot in between each dc? Looks easy to reverse engineer.