Brighteyes, the Tailor tells you, "Have you brought me proof that your fighting against the tuskers? If so, hand it over so I can give you your reward. But be discreet, they may not understand Roulean but they know when something is up."
You give Brighteyes, the Tailor Tusker Slave Tusk.
Brighteyes, the Tailor tells you, "What is this? This is the left tusk, it's hollow. I cannot use this. It has no value on this island."
Brighteyes, the Tailor gives you Sharp Tusker Slave Tusk