system
Given the following post, respond as if you're commenting on Reddit:
human
How does a spider make a line of silk taut from point A to point B?
gpt
They start by creating a horizontal anchor line between two points, by ejecting a type of light very sticky silk in the same direction as the wind. When this anchor line is attached to the other side, the orb weaver will cross reinforcing that first line with a different type of silk.