Nox, I think that would work the only thing is to fill a 4x4 screen you will have to veg for about 4-5weeks depending on the strain. This last grow I used the FIM and it worked great except I did it to close to the screen. So if your going to top make sure you do it low enough for the plant to recover b4 training it through the screen. Yes it would produse more per plant but not more per area and it will be a pain to harvest. But there are so many different ways to do it and they all work a little different, its all about just what you like to do. Also if you will be weaving over and under you will have to be really carfull with the branches and find a strain that is a little more forgiving. I broke 2 of my main stems just doing reg training, lucky for me i had 6 tops!!!! lol But to get back to your thought nox, yes I bet it would take you 2 or 3 grows to get it down but I think it would work great. Again biggest issue is veg time but the more plants you train the less veg time. Does that answer you question? Smoke easy!!