It's unbelievable to me now but for the first few years I played guitar, I had absolutely no idea what a truss rod was – let alone how to adjust it. Blame it on being self-taught and knowing few ...

A builder check the truss rod used to adjust the neck of a guitar at the Fender factory, in Corona, California, on October 6, 2022 The truss rod is a metal bar that runs down inside the length of ...