How far down does the drip line go on coco drip stakes.

I'm confused as to how far to insert the line onto the coco drip stake? The blue clay stakes are obvious... Is it to where my finger is pointing?

from Hydroponics / Aeroponics https://www.rollitup.org/t/how-far-down-does-the-drip-line-go-on-coco-drip-stakes.1022073/