Uploaded January 2024 | Updated September 2026, 2 weeks ago

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If the keypins under your piano keys are corroded, rusted, or no longer smooth, the keys may become sluggish. Here, we demonstrate how to polish the balance rail and front rail pins. See the full video here: youtu.be/0wTDfqMJbI8?feature=shared

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Sluggish Keys? Try This! | HOWARD PIANO INDUSTRIES

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