I have a 2x2 tent
I could do sog and fill my tent with cola's. (9) 1 gallon pots
I could use a net and fill my tent with cola's. With (9) 1 gallon pots, (5) 2 gal pots, (4) 3 gallon pots, (2) 5 gal pots, or (1) 10 gallon pot.
I could mainline and fill my tent with cola's. With (9) 1 gallon pots, (5) 2 gal pots, (4) 3 gallon pots, (2) 5 gal pots, or (1) 10 gallon pot.
Basically you can fill your tent with any of those training techniques.
They all just have slight variations.
My current round I'm running 1 beast in a 10 gallon pot. It has 57 main branches/tops (I counted).
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Some people make the concept of training sound tough.
Just visualize a mental image at the start of your grow of what you want your plant to look like. Then as they grow in shape, bend, top them the way you want them.
The options are endless.
The only limitation is your imagination.