These videos will help you get started with all the skills you need to follow the Pattern and Yarn patterns.
Long tail cast on
Joining to knit in the round
Knitting (k) and Purl (p)
Make one stitch (M1)
Reading a knitting chart in the round
Stranded (fair isle) knitting
Knit two together (k2tog)
Making a pom pom (with a pom pom maker)
Unpicking stiches
Long tail cast on method
An important cast on method for edges that need some stretch. Perfect for a hat. Here are a couple of videos to get you started.
Joining to knit in the round
Early on you will need to join your knitting, this video will help you to do that as well as avoiding twisting your stitches
Knitting (k) and Purl (p)
Knit is your basic stitch.
Purl is important for creating the stretchy ribbing on the brim of the hat.
Make one stitch (M1)
Used in some (but not all) hats when you need to increase a few stitches where the colourwork needs it.
Reading a knitting chart in the round
If you are new to knitting charts, here is a handy video on how to read them
Stranded (fair isle) knitting
The technique for making the colourful bit of the hats
Knit two together (k2tog)
Used for decreasing the hat.
Making a pom pom (with a pom pom maker)
The all-important pom-pom with the clover pom pom maker.
Unpicking stitches
And if you need it, here is a video about unpicking mistakes