If you need to get your house sealed up, one of the easiest tricks to keep the cold out is to use wool curtains. Store-bought curtains can be expensive, which is why DIY living blog ReadyMade reader Matt Pierce created his own out of an Army surplus blanket.The conversion ends up having a lot of features and looks clean in the window, which beats hanging a blanket up with a set of thumb tacks. It takes quite a few materials and effort, but the finished product looks nice and professional. Combining this with weather strips should help keep your heating bill in check next winter. Read the full guide to make one yourself over at ReadyMade.