Skybuilders' Rope

Skybuilders' Rope is miscellany used in the Ishgardian Restoration.

Source
Skybuilders' Rope can be crafted by weavers as a level 20 recipe with the following materials:
 * x6
 * x1
 * x4
 * x2

Uses
Skybuilders' Rope is exchanged for in custom deliveries to Potkin in The Firmament.