E-joy Folk Acoustic Electric Guitar Capo (Blue) A great quick release capo suitable for electric or acoustic guitars Quickly and easily released and repositioned without disturbing the tuning Easy to use, can be repositioned with just one hand Hold the strings nice and tight. Fast and easy to operate. Clamps on any fret. No adjustments required The capo is easily squeezed into place with one hand ,and released using the lever on the back, without pulling the strings of your instrument out of tune