The puff or bobble crochet stitch is as simple as single and double crochet. This stitch that will provide amazing texture to your hooked bits! -- I think I might try this as a border on a granny square blanket to add a bit of texture.
Knitting - Jacket with shelves partial knitting
provisional crochet cast-on
ru ᘛ combine point tricot bordure // stitch knit edge border
Adding fine knitting elastic to a garment