• Dwyer's Caber
• Item Level 365Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
• Unique-Equipped
• Trinket
• +340 Strength
• Requires Level 85
• Use: Caber toss. (3 Min Cooldown).
  Equip: When you deal damage you have a chance to gain 1020 critical rating for 20 sec.
• Sell Price: 38 21 31
• Vendor 152 85 24

This item can be purchased from Varlan Highbough within the Molten Front after completing Calling the Ancients. As the "use" effect suggests, you have the ability to toss a tree to a location you target which deals a small amount of damage.

Patch changes

• Patch 4.2.0 (28-Jun-2011): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB