fabric printing with bleach/Dyeing fabric with bleach. Applying ordinary household bleach to dark, natural-fiber fabrics, either by spraying or brushing the bleach on flat fabric (Resist-and-spray technique), or by dipping the fabric in it, after protecting part of the surface in some way from contact with the bleach. http://www.threadsmagazine.com/item/3720/dyeing-with-bleach
A challenge project idea for a quilting group: make a stamp, stamp fabric, make a pouch out of your fabric every month! Show it. Tell it, Gift it. Always having a gift ready....now, that's a good thing!