Up To Date 29++ Guitar Fret String Clip Acoustic. A guitar capo is a device used by many guitarists to easily raise the pitch of their guitar. Get a 26.000 second guitar fret and six strings, stock footage at 25fps. You do this by adjusting the truss rod and then raising. Guitar string gauge comparison : Guitar Fret String Clip Acoustic - Acoustic Guitar Acoustic Electric Guitar Guitar Amplifier Acoustic Guitar Fretboard Dimensions Png Pngwave It works by clamping the strings down on a given fret, which changes the key.