I've checked out this vid: I can do the gallop thing now pretty well on each string but it's still a mystery to me how to make three fingers sound even like if you were using two fingers. I do 1-2-3 (index, middle, ring). I think what Alex Webster does is (1-2-3-2). Correct me please. Also I guess most metal players use three fingers for fast single-note stuff and use two fingers when string-skipping is involved. Is that right? Because I feel I'm kind of fast when string-skipping with two fingers but I don't have the endurance yet.