On Use:
Slayer deeds accelerated: 2x
"Accelerates the progress of most slayer deeds by counting each kill as two. Deeds for Skirmish lieutenants are not accelerated by this item."
You get this item from the Gift for the Explorer.
You can win this item from the Lottery: Lottery of the Free Peoples of which you can enter at http://my.lotro.com/home/lottery.