Hands on: Fret Zealot, an LED lighting device that teaches you to play guitar like a hero

Hands on: Fret Zealot, an LED lighting device that teaches you to play guitar like a herohttps://www.digitaltrends.com/musical-instrument-reviews/fret-zealout-review/
https://www.worlds50.com/2018/04/hands-on-fret-zealot-led-lighting.html