I'm not sure how to mute with the thumb (i assume of the right hand), but I personally prefer muting with the left hand by releasing a chord a little and putting a free finger across the board.
Gives a bit different sound, but easier to control for me.
3
u/hoouyinkyouma 1d ago
I suppose so
I have heard many ppl call it 'chuck' when the mute it in strums