This popped up when I was viewing something else:https://www.youtube.com/watch?v=nOmqMLjuApg
Exactly how useful I am not sure, this is something that you guys can teach/show me, but it has interesting exercises especially on learning the notes on the fretboard.
Insanity: doing the same thing over and over again and expecting different results. [Albert Einstein]
Nil Satis Nisi Optimum