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 Handicraft School
by Tangling Yarn
by Nakshi Katha
by LoomaHat.com
by Knitting Stitch Patterns
by Hand Embroidery & Crafts