Unless you’re dealing with a very old or out-of-whack instrument, adjusting the truss rod is a pretty safe and painless procedure. That said, the middle of a tense session and a player’s prized instrument don’t make for an ideal scenario for your first attempt! As with anything, you’ll improve with practice. Acquiring a junky guitar to restore to health is a good way to gain confidence, fast.
Tune in next week for Part 2 when we learn to quickly and easily fix intonation issues that can rob a guitar or bass of power, sweetness, and clarity.