Rat Tail

Rat Tail is fishing tackle.

Source
Rat Tails can be purchased from vendors or obtained as a quest reward.

Vendors
Rat Tails can be purchased for from the following vendors:
 * Admiranda - Old Gridania
 * Evrardoux - The Pillars
 * Junkmonger - The Goblet, The Lavender Beds, Mist, Shirogane
 * Merchant & Mender - Lower La Noscea, Western La Noscea, Western Thanalan
 * Syneyhil - Limsa Lominsa Lower Decks
 * Yoyobasa - Ul'dah - Steps of Thal

Quests
Rat Tails can be obtained as a reward from the following quests:
 * Every Fish Has a Silver Lining

Uses
Rat Tails are used in fishing the following items: