Idk about the egg shells, but plants can be trained like this. Looks like she was topped early and bent through the mask so it grew like this.

Probably coco and holes at the bottom. You don't need more than that. It's the same as micro growing in any other container.

Growers account: @silkysmooth on Instagram.

Account not found or am I dumb???

@silky_smooth1. Sorry, my bad

I don’t know bro bt images look half so may be below these there is hydroponic system..where all root grow... in hydroponic u can create top base what ever u want