This is a very simple project. I wanted to sew a warm incubator for my yogurts and jams. I used to make my own yogurt week-by-week. Till now I used an old coat to keep it warm for 7-8 hours(or more). Some months ago I got a piece of wool fabric from my mother-in-law. I had no idea what will I do with it. Till now. I just add a zipper and it was done :D It took only 5 minutes. :)
