The bobbin thread’s tension is usually adjusted with a screw on the bobbin case (righty-tighty, lefty-loosey). ... A sewing machine is a fantastically useful thing to own, ...

Open up the bobbin case and any other area that’s reasonably accessible, brush out the lint, and apply a few drops of machine oil as the manual instructs. (By the way, "sewing machine oil" is ...

Even if you’ve never threaded a needle or even heard of bobbin, you’ve probably heard about Brother sewing machines. Throughout its 115-year history, Brother Industries has developed into a ...