JS23 FAQs & Troubleshooting JS23 Not your product? Sort by Updated Date Popularity 3 Results 1. 17/01/2011 How do I pick up the lower bobbin thread? 2. 07/04/2008 How do I wind the bobbin? 3. 10/10/2007 Lower bobbin threading More FAQs (English only) Getting Ready FAQs & Troubleshooting