PQ1600S FAQs & Troubleshooting PQ1600S Not your product? Sort by Updated Date Popularity 2 Results 1. 21/12/2023 How do I raise or lower the feed dog? 2. 12/12/2018 How do I sew hook-and-loop fasteners(hook-and-loop tapes)? Sewing (Utility Stitches) FAQs & Troubleshooting