This Nylon-String Guitar Capo from Cordoba is designed to be used with six-string classical and flamenco guitars that have a flat fingerboard radius. It clamps to the neck of your guitar at whichever fret you choose, raising its pitch, and thereby allowing you to play open chords in different keys.
Beginners will find this tool useful for playing chords that are comfortable in any key. Advanced players will appreciate the resulting change of the guitar's natural overtone structure, allowing them to get different-sounding timbres and harmonics out of the instrument.
This tool is particularly useful when backing up vocalists, who sometimes demand songs be played in different keys. As this capo is intended for use on guitars which have a flat fingerboard radius, it is not compatible with the fingerboard radius of Cordoba's Fusion series instruments, or any instrument with a roundly radiused fingerboard.