Troubleshooting & Fixes

A failing bobbin case can cause skipped stitches, thread bunching, and constant frustration. This complete guide breaks down exactly how to identify a bad bobbin case, what symptoms to look for, and when it’s time to replace it.

Sewing machine tension problems can make a big difference in stitch quality and sewing performance. In this guide, we explain the most common tension issues and how to fix upper and bobbin tension for different fabrics, sewing projects, and sewing machines.