Coeurl Whiskers

Coeurl Whiskers are a treasure.

Source
Coeurl Whiskers can be obtained by exchanging 7,500 medals at the Totomostro prize exchange. It can also be obtained as a drop from the following creatures:
 * Coeurl - 50% chance
 * Elder Coeurl - 100% chance

Quests
Coeurl Whiskers are needed for the A Better Drain Lance II quest to upgrade the Drain Lance II to a Drain Lance III.

Tips

 * Beware, level 34 Coeurl can spawn in the Mind the Trap Quest area.