How to Crochet the Spike Stitch 03/06/2019 Crochet, Stitchorama Crochet Learn How to Crochet the Spike Stitch for a Blanket, Hat, Shawl, Scarf, Bag, Pillow, and More Here’s a neat stitch called the crochet spike stitch. It uses elongated stitches to create the spike effect. It’s pretty simple to do, and looks nice in a blanket, scarf, shawl, bag, pillow, and more.