Here are some YouTube videos I found helpful in my learning process:
Macrame video links:
basic knots:
Knitting video links:
casting on
casting off
knit stitch
purl stitch
Crochet video links:
Four basic crochet stitches
https://www.youtube.com/watch?v=mSzqZ3KrR5I
Felting video links:
Needle felting
https://www.youtube.com/watch?v=u2RAjwz5wWw
Wet Felting
https://www.youtube.com/watch?v=kYPNY3a5H7s
Nuno Felting:
https://www.youtube.com/watch?v=7QpFKz-PBcM
Embroidery video links:
Basic stitches
https://www.youtube.com/watch?v=f6a0DTPFh4s