Touchup is one of the real dark arts of instrument repair, and one that exists in an almost entirely different universe from structural and functional repairs.
Ask the Expert
Here are answers to many questions about acoustic guitar care and repair.
Uncertain about guitar care and maintenance? The ins-and-outs of guitar building? Or another topic related to your guitar? Ask Acoustic Guitar’s repair experts by sending an email with the subject “Repair Expert” to editors.ag [at] stringletter.com. If AG selects your question for publication, you’ll receive a complimentary copy of our Acoustic Guitar Owner’s Manual.