Tutorials How to change colors when working with Granny Squares. November 5, 2017November 5, 2017by itscrochetoclockLeave a Comment on How to change colors when working with Granny Squares. This week’s tutorial will show you how I change yarn colors when working on Granny Squares or any other pattern where I might have trouble hiding my tail. I hope this helps some of you in the future when you’re changing colors!