Guitar Maintenance: How To Fix Loose Tuners

10 Reasons Why Your Guitar Won't Stay In Tune - Frontman Philosophy

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Guitar Repair Blog: Loose Tuning Machine Bushings

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Ultimate Guide to Guitar Intonation (With Diagrams) - Guitar Gear Finder

Tuning Peg Repair featuring Tracy Longo

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Ukulele Tuning Pegs Replacement - iFixit Repair Guide

Repairing Vintage Kluson Tuning Machines - S. Nathaniel Adams