Qussedser Guitar Folk Classical Chord Assist One-Key Chord Device Button Key- Automatic Assist for Kids Beginners Black

The guitar practice tool is easy to install in one clip.Hold down multiple strings with one click. Simple to use, just the button with name, then you can play the chords of the songs easily. Adults or children, young or old, anyone can quickly and easily learn to play-guitar. Nine universal chords, F,BM,EM,C,AM,G,AM7,D, with these chords, you can play more than 90% of popular songs. The guitar practrice aid is suitable for most of folk guitar between 38 inch to 41 inch.