https://www.musical-u.com/learn/sounds-unusual-learn-some-strange-guitar-techniques/
How many times have you listened to a guitarist and wondered “How does he make that noise?”
The guitar has many different techniques that can subtly alter the tone of the notes being played. The ‘musical’ techniques are primarily used to alter the sound of the transition from one note to the next, for example string bends and slurs. More ‘practical’ techniques, such as right hand tapping, are used mostly because they are the most efficient way to play a particular group of notes.
There are also techniques that produce unusual sounds that are not normally associated with the guitar, and that’s what we’ll be focusing on.
Add some extra diversity to your playing style by understanding how some of these techniques work.