I am currently working on cleaning up my picking technique. I always used to mute the strings above the one I pick with the thumb of my picking hand, but I have recently researched the playing style of many guitarists (famous ones and friends) and found out that I seem to be the only one who does it. Now I wonder if there is a reason for NOT doing it? Does it bring any disadavantages I am not aware of? It works quite good for me, but maybe there are some techniques that become impossible through this?