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 DIY Hand Stitch
by Nakshi Katha
by Hand Embroidery & Crafts
by Purl Avenue
by That Woman
by Tuteate
by Nicole North