I have tried fusible batting and it fused only one time. I told a saleslady at JoAnn and she said they never have a problem with it or at least no one had mentioned it before. Well, I bought more and tried it again and it didn't fuse either. So I have given up on it for now. I was told I could return it, but haven't yet. Does anyone have an idea as to why I can't get it to fuse when following the written directions?