NONDK 2Pcs Metal String Spreaders Guitar Luthier Tool for Cleaning Fretboard Yellow

String Holding Spreader A Luthier tool, that allows you to work on the fretboard with the strings on. A tool that allows you to move the strings off the fretboard and hold while you work on the frets or fretboard. Each curved brass spreader fits behind the neck, to capture the loosened strings and give you room for filing, cleaning, polishing or light repairs. A simple elegant tool that allows you to hold the strings out of your way without using your hands or removing the strings from your guitar.