Magic Crochet Color Change Trick Free Tutorial from Sewrella
Ravelry: Once Upon A Cable Blanket pattern by Lisa van Klaveren (Skill level: Intermediate)
UPDATE I have a new version, Mitered Granny Square which includes a diagram that you may want to check out. To help understand how to do the Mitered Granny Square, here is a diagram.
Driving spoke beautiful pattern - for a hat?
The pattern for knitting needles coat.
Tutorial for Crochet, Knitting, Crafts.