Learning about Bias Tape
Bias tape is one of those sewing tricks that is really awesome and kinda weird at the same time. When you first learn to sew learning the difference between knits and woven seem definite. One stretches and one doesn't and that it is. Then you learn that there is something called the bias and it allows the non stretchy woven fabric to have a little stretch. There is just enough stretch there to bring joy and tears.
In the following video I give a brief description and tell you how to make your own.