> the player is holding his hand near the bridge (back of the strings) with the side of the palm resting on the strings to suppress all the harmonics so you onl

> the player is holding his hand near the bridge (back of the strings) with the side of the palm resting on the strings to suppress all the harmonics so you only get the fundamental tone and it has this sort of muffled quality (because a lot of the brightness comes from harmonics). Palm muting is one big technique to the more aggressive and chunkier metal sounds[1]. Even if you take out the music theory - or blatant disregard for - except kinda not, it's complicated, the different way you can create sounds with an electric guitar[2] in weird ways is quite amazing. 1: https://www.youtube.com/watch?v=yg4tKoiGoyM https://www.youtube.com/watch?v=yg4tKoiGoyM 2: https://www.youtube.com/watch?v=H4ax35i6aIY https://www.youtube.com/watch?v=H4ax35i6aIY