journal Recycled Blankets into Slippers 07/18/2007 by Kristin Roach Nikkishell from over at SewGreen posted this great tutorial on how to make your own house slippers out of an old wool blanket. I’m sure it could be applied to an old felted up sweater too! Go check it out! I saw it on TreeHugger. Post navigation Holy Moly 509!Green Prairie Fibers – My other Obsession.