I took my new one back to Sears where I purchased it, because it obviously needed something It just would not sew from day one. I had a lady ( and I use that term lightly) call me and said' " You don't sew much do you?" I quickly informed her that I had actually been sewing since I was about 6. I am now 56. She asked me if I had used a metal bobbin in it. I said yes. No where did it say in the book or from the Guy???? who sold it to me that I could only use plastic bobbins. She said there was absolutely nothing wrong with it. Then she chewed me out for adjusting the bobbin tension. I now have it back, it cost me 40 bucks and it does sew now, but still has a tension problem. I think I will just adjust it myself if that's possible. I am very mechanically minded. I have a 25 YR Kenmore that's never given me any problems, but this new one might end up flying out my window. Some one told me to try a Jenome, but they're sold at Sears. May-be I should call this women up and ask for her advice. She did give me her number. LOL!!!