it tell you look for at least a centimeter or one inch of foam to get the proper aromatics off the beer. the way i would do it is normally keep the glass like this. oops. i would go like that to get not too many foam you say we ought to be doing this. the main if a is the of pouring a beer are is different. how it s made the structure, the style. not a set science. i always start with a beer sort of all the side like that and as i m pouring judge it. if i see right now i don t have much building up. i will lower the beer. steady the stream and try to get to that foam level where i want. once i see where it is i will pour slow. if i find i have too much foam. let it sit, let it rest and make sure i end up with what i want at the top of the. this is not your father s solicits. this sin fused with coffee. the darker beers, the alleys require ales a different