Go to any buy/sell menu, and highlight any unwanted equipment. Whilst holding the R2 button, press X repeatedly. This works only on the items in the equipment menu (the shield icon) not the items in the Bag icon. This works in any shop, or the little fast travel buy/sell menu. This glitch may have been patched, and does not affect trophies. Easy way to get the Dragon Hoard (have 25 thousand coins) trophy. NOTE that the item you are 'cheating' with will be sold and gone when you release R2.
Unlockable - Trophies
There are 32 Bronze Trophies, 13 Silver Trophies, 1 Gold Trophy, and 1 Platinum Trophy.
Warrior of the North (Platinum) - Earn all trophies for Lord of the Rings: War in the North
Against All Odds (Silver) - Complete a playthrough on Legendary difficulty.
Bane of Mordor (Silver) - Kill 600 enemies in a single playthrough.
Expert Treasure-hunter. (Silver) - Locate 5 gilded treasure chests in a single playthrough.
Fell-handed (Silver) - Deal 1500 damage in a single melee strike.
Hero of Legend (Silver) - Complete a playthrough on Heroic difficulty.
Like a Thunderbolt (Silver) - Deal 3000 damage with a single ranged strike.
Living Shield (Silver) - Absorb 25,000 total damage during the course of 1 level.
The Lidless Eye (Silver) - Complete the investigation of the Cult of the Lidless Eye.
Victorious in Battle (Silver) - Complete a playthrough on at least Normal difficulty.
Champion of the North (Silver) - Achieve level 20.
Defender of the North (Bronze) - Achieve level 10.
Battle-master (Bronze) - Unlock every active-cast ability in one character's skill tree.
Dragon-hoard (Bronze) - Amass 25,000 coins.
Foe-hammer (Bronze) - Kill 200 enemies in a single playthrough.
Gem-studded (Bronze) - Slot an elfstone into an item.
Herb-master (Bronze) - Create 15 potions in a single playthrough.
Keen-eyed Marksman (Bronze) - Kill 50 enemies with headshots in a single playthrough.
Many deeds, great and small (Bronze) - Complete 15 quests in a single playthrough.
Now for wrath, now for ruin! (Bronze) - Kill 4 enemies simultaneously.
Relentless (Bronze) - While in Hero Mode, perform a streak of 50 hits.
Seeker (Bronze) - Discover 25 secrets in a single playthrough.
Strength of Our Alliance (Bronze) - Slay one enemy together with 2 other players.
Sudden Fury (Bronze) - Perform 3 critical hits within 10 seconds.
Swift-winged Warrior (Bronze) - Summon Beleram 10 times in a single playthrough.
Troll's Bane (Bronze) - Slay the wild snow trolls.
War-hardened (Bronze) - Achieve at least 1 rank in a tier 3 skill.
War-machinist (Bronze) - Kill 150 enemies with war machines in a single playthrough.
Warrior Exemplar (Bronze) - For one character unlock every skill that provides a modification to War Cry, Sanctuary or Evasion.
Well-arrayed (Bronze) - Equip all parts of an armor set.
Where there's life, there's hope (Bronze) - Revive a fallen ally.