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Friend found a beat up guitar that was missing a tuning knob in his basement, So I made him a replacement. : functionalprint
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Amazon.com: Donner Rechargeable Chromatic Clip on Tuner, Digital Metronome Tuner, Tone Generator 3 in 1 for All Instrument Acoustic Guitar Electric Guitar Ukulele Bass Banjo Violin Mandolin: Musical Instruments
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