No Finger Conditioning... No Cramped Hands... Makes the Chords For You... Just Press the Buttons and Strum! *Chord Buddy works on all standard dreadnought guitars with a low to average string height. With a purchase of the ChordBuddy, you will receive a ChordBuddy Song Book, a 2 Month Lesson Plan Book, as well as an Instructional DVD. Chordbuddy will not work on classical or 12 string guitars and 1/2 size guitars.