When you sew an awning, there seem to be two choices for attaching the awning edge into the 'typical' awning rail.
e.g. http://www.perfectfit.com/154244/produc ... -feet.html
I've seen the vinyl insert that you sew the edge of your awning to and I've seen the use of a rope within the fabric.
e.g. http://www.perfectfit.com/154247/produc ... nsert.html
Any comments on these or other methods, pluses and minuses?