What would one use these for? I save mine with scraps of fabric and figured there must be something we can use these for. Anyone have any suggestions?

Here is a person that started a blog about selvedges...

http://selvageblog.blogspot.com/

Here't a tutorial from this board.

http://www.quiltingboard.com/t-55244-1.htm

I have a plastic ziploc pinned to the wall above my cutting table and I put all my selvedges in there, when I want a "quick fix" to make something useful like mugrugs or pot holders, thats what I grab for, they are quite the coversation piece!