This is a video explaining the K5B stitch, also called the Knit 5 Below stitch or Bubble Stitch. I use this stitch in my Grape Jellyfish pattern in my book "Knitted Beanies and Slouchy Hats".
by KnitItOut Vancity
by LoomaHat.com
by Sheruknittingcom
by HappyBerry Crochet
by Vintage Storehouse & Co.