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Reviews around device (5.00 of 5)
The String Butler V3 Guitar Tuning Improvement Device - Best Guitar Upgrade to Improve Tuning Stability (Black Chrome)
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This wonderful device not only helps to keep the Guitar in tune, it changes the wholle intonation
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This device is well worth the money
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I am very pleased with the string butler, what a great device
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This device is easy to install and, more importantly, it works
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