Originally Posted by
Rumbols
I use old thread or bobbin thread to zig-zag the raw edges before washing my fabric. This way I can use up the thread with out wasting any. I have to wash my fabric as I have severe allergies to the chemicals in fabric.
I also do this when I don't serge - I do try to use a same color or lighter thread than the fabric,though. (I'm thinking this is probably not necessary - but I do it, anyway)