The Spike Double Crochet or Long Double Crochet Stitch makes drops one or two rows below the row your working on resulting in a “spike”. This stitch is often called for with a contrasting color to make it more prominent.
by ChiCrochet
by Creative Grandma
by WatchBarbaraKnit
by B.hooked Crochet
by Stitchinstacy
by oana's crochet channel