Cool Green Link

Here's a great link for making your own grocery (and other stuff) bags. MAKE YOUR OWN BAGS
Patterns are linked for knitting, crocheting, sewing, and even if you don't craft, there's a tutorial at the end on how to tie a furoshiki. (A Japanese carrying cloth)


All you need for the furoshiki is a square cloth of moderate to large size, and these two links
ARTICLE
DIAGRAMS

And the article even has some video showing how to do it.

(photo above from free photos bank)