Rainbow Thread
虹色の糸 [nijiiro no ito] or 'rainbow-colored thread' in Japanese.
Grimoire of the Rift

Buy: - (sell: 1,000 gil)
Use: Tiara, Lordly Robe, Luminous Robe, Mirage Vest, Red Robe, Orb of Minwu
Reward: Rumors Abound (once), Geomancer's Way - Rain x2 (once), Dire Rotundity (wandering monster)
Type: Cloth, Rank: ★★
Description: Pigments from seven flowering grasses are used to dye this costly thread. Imitations are easily spotted as cheaper dyes run in water.
Final Fantasy Tactics S

Buy: - (sell: 200 gil)
Use: ?
Obtain: Sacred Ground Luma/Eastern Gyus Wildlands lv30+
Description: An uncommon cloth
Category: Item