How do you do this?

I was browsing through some of the pics on this site when I came across this picture here

How in the world did this person do this?? I really want to try it out this season. Could someone give me detailed instructions?

That's a screen of green (ScroG) grow. He trained the plant under the screen for a while, then flowered it. That keeps the canopy on more or less the same level, which allows for more efficient use of lighting, and is particularly nice with lower wattage lamps which don't have much canopy-penetration power.

Also a great technique for those with height issues.

So this person grew the plant under that screen and when it budded, did he or she assist the plants through the holes or let it grow through on its own?

As the plant veg's, you tie the stems to the wires. You let the plant grow, keeping all growth tied down. When the screen is covered with leaves, you flower.

The buds shoot up during flower.

Thanks a lot :) I appreciate it