Attach to the hero with The One Ring.
Limit 1 per hero. Attached hero gets +1 
Response: After attached hero commits to the quest, exhaust The One Ring and raise your threat by 1 to give each other unique character you control +1 until the end of the phase.
Attach to a hero. Limit 1 per hero.
Attached hero can have 1 additional restricted attachment.
The lady bowed her head, and she turned to Boromir and to him she gave a belt of gold...
–The Fellowship of the Ring
Attach to Saruman. Restricted.
Action: Exhaust Saruman’s Staff to (choose 1): Reduce the X value of the next Doomed X. event you play this phase by 2, or search the top 5 cards of your deck for a Doomed event and add it to your hand. Shuffle your deck.)
His hand clutched his heavy black staff like a claw.
–The Two Towers
Attach to a Noble hero. Limit 1 per hero.
Attached hero gets +1 
(+2 if your threat is 40 or higher).
...his sword of steel was valiant...
–The Fellowship of the Ring
Guarded (location). Restricted.
Attach to a hero. Attached hero gets +2
You draw 1 additional card during the resource phase.
Looking up he saw before him a tall white tower, standing alone on a high ridge. A great desire came over him to climb the tower and see the Sea.
–The Fellowship of the Ring
Attach to the hero with The One Ring.
Limit 1 per hero. Attached hero gets + 1 hit point.
Response: At the beginning of the round, exhaust The One Ring and raise your threat by 1 to heal all damage from attached hero.
Attach to a Hobbit hero. Restricted.
While attached hero is committed to the quest, each Hobbit character gets +1
Response: After you quest successfully, exhaust Red Book of Westmarch to add 1 resource to attached hero's resource pool.
Attach to a hero. Limit 1 per hero.
Action: Discard 1 card from your hand to heal 1 damage from attached hero. Any player may trigger this effect.
...behind him stood Galadriel, tall and white: a circlet of golden flowers was in her hair, and in her hand she held a hard, and she sang.
–The Fellowship of the Ring
Attach to a character.
Attached character gets +1 hit point.
Response: After you play Spare Pipe search the top 5 cards of your deck for an event and add it to your hand. Shuffle your deck.
"I have carried it a long way, though I don't know why."
–Pippin, The Two Towers
Attach to a Noble hero. Limit 1 per hero.
Attached hero gets +1 
(+2 instead if your threat is 40 or higher).
...his shinning shield was scored with runs...
–The Fellowship of the Ring
Attach to a Warrior character.
Attached character gains ranged and sentinel.
Then he leapt forward, spurring the earth, and was gone like the north wine from the mountains.
–The Two Towers.
Attach to a non-
, non-
hero you control.
Response: After you attach Thorongil to a hero, search your collection for a different non-, non- version of that hero and attach it to Thorongil. While Thorongil is in play, attached hero gains the game text and resource icon of the attached hero card. If Thorongil leaves play, remove the hero card attached to it from the game.
Attach to the hero with The One Ring.
Limit 1 per hero. Attached hero gets +1
Response: After attached hero commits to the quest, exhaust The One Ring and raise your threat by 1 to give each other unique character you control +1 until the end of the phase.
Attach to a hero. Limit 1 per hero.
Attached hero can have 1 additional restricted attachment.
The lady bowed her head, and she turned to Boromir and to him she gave a belt of gold...
–The Fellowship of the Ring
Attach to a hero. Limit 1 per hero.
Action: Discard 1 card from your hand to heal 1 damage from attached hero. Any player may trigger this effect.
...behind him stood Galadriel, tall and white: a circlet of golden flowers was in her hair, and in her hand she held a hard, and she sang.
–The Fellowship of the Ring
Attach to a non-, non- hero you control.
Response: After you attach Thorongil to a hero, search your collection for a different non-, non- version of that hero and attach it to Thorongil. While Thorongil is in play, attached hero gains the game text and resource icon of the attached hero card. If Thorongil leaves play, remove the hero card attached to it from the game.
Attach to a hero.
Action: Discard Cram to ready attached hero.
If you want to know what cram is, I can only say that I don't know the recipe; but it is biscuitish, keeps good indefinitely, is supposed to be sustaining, and is certainly not entertaining...
–The Hobbit
Attach to a character.
Action: Exhaust Spare Hood and Cloak and exhaust attached character to ready another character. Then, attach Spare Hood and Cloak to that character.
"You will have to manage without pocket–handkerchiefs, and a good many other things, before you get to the journey's end. As for a hat, I have got a spare hood and cloak in my luggage." –Dwalin, The Hobbit
Attach to a hero.
Travel Action: Discard Thrór’s Map to choose a location in the staging area. Make that location the active location. (If there is another active location, return it to the staging area.)
"This was made by Thror, your grandfather, Thorin." he said in answer to the dwarves' excited questions. "It is a plan of the Mountain." –Gandalf, The Hobbit
Attach to a hero with the printed Ranged keyword. Restricted.
Combat Action: Choose an enemy in the staging area. Exhaust Great Yew Bow and attached hero to make a ranged attack against that enemy. Declare attached hero as the attacker. No other attackers can be declared for this attack.
Attach to a hero.
Response: After a location is added to the staging area, attach Thrór’s Key to that location. While attached to a location, Thrór’s Key gains:
Treat attached location's printed text box as blank, except for traits.
"The key that went with the map! Try it now while there is still time!" –Bilbo, The Hobbit
Attach to a hero. Limit 1 per hero.
Response: After attached hero quests successfully, name a card type and discard the top card of your deck. If the discarded card is the named type, take it into your hand.
Attach to a Dwarf hero.
Action: Exhaust King Under the Mountain to look at the top 2 cards of your deck. Add 1 to your hand and discard the other.
"Long ago in my grandfather Thror's time our family was driven out of the far North, and came back with all their wealth and tools to this Mountain on the map." –Thorin, The Hobbit
Attach to a Hobbit hero. Limit 1 per hero.
Attached hero gets +2 while defending against an attack by an enemy with an engagement cost higher than your threat.
In their dark cloaks they were invisible as if they all had magic rings. –The Fellowship of the Ring
Attach to a hero.
Attached hero gets +1 (+2 instead if attacking an enemy with an engagement cost higher than your threat).
...these blades were forged many long years ago by Men of Westernesse: they were foes of the Dark Lord...
–The Fellowship of the Ring
Attach to a Hobbit character. Limit 1 per character.
Response: After your threat is reduced by an event card effect, exhaust Hobbit Pipe to draw a card.
But even the Dúnedain of Gondor allow us this credit: Hobbits first put it into pipes. Not even the Wizards first thought of that before we did. –The Fellowship of the Ring
Attach to the active location. Attached location gets +1 quest point.
Response: After attached location leaves play as an explored location, the first player puts 1 ally into play from his hand.
"It is a beryl, an elf–stone. Whether it was set there, or let fall by chance, I cannot say, but it brings hope to me"
–Aragorn, The Fellowship of the Ring
Setup: Attach to the Ring-bearer.
Action: Add Mr. Underhill to the victory display to choose an enemy engaged with you. Until the end of the round, that enemy cannot attack you.
"I will give you a travelling name now. When you go, go as Mr. Underhill."
–Gandalf, The Fellowship of the Ring
Setup: Attach to a hero.
Attached hero gets +1 defense and gains the Ranger trait.
"What roads would any dare to tread, what safety would there be in quiet lands, or in the homes of simple men at night, if the Dúnedain were asleep, or were all gone into the grave?"
–Aragorn, The Fellowship of the Ring
Setup: Attach to a hero.
Attached hero gets +2 hit points and gains the Healer trait.
"Few now have the skill of healing to match such evil weapons. But I will do what I can."
–Aragorn, The Fellowship of the Ring
Setup: Attach to a hero.
Attached hero gets +1 and gains the Warrior trait.
"Three of the servants of Sauron were upon the Bridge, but they withdrew and I pursued them westward."
–Glorfindel, The Fellowship of the Ring
Setup: Attach to a hero.
Attached hero gets +1 and gains the Noble trait.
Venerable he seemed as a king crowned with many winters, and yet hale as a tried warrior in the fullness of his strength.
–The Fellowship of the Ring
Attach to Gandalf. Restricted.
Action: Exhaust Gandalf’s Staff to (choose one):
- choose a player to draw 1 card
- add 1 resource to a hero's resource pool
- discard a shadow card from a non-unique enemy.
...he held his staff aloft, and from its tip there came a feint radiance. –The Fellowship of the Ring
Attach to an Istari character. Limit 1 per character.
Action: Exhaust Wizard Pipe to exchange a card in your hand with the top card of your deck.
...there was a long silence, broken only by the soft puffs of Gandalf's pipe, as he blew white smoke–rings out of the window. –The Fellowship of the Ring
Attach to the Ring-bearer.
Each hero gets +1 .
Forced: After a character is destroyed, discard Fellowship of the Ring.
"The Company of the Ring shall be Nine: and the Nine Walkers shall be set against the Nine Riders that are evil."
–Elrond, The Fellowship of the Ring
Attach to a Hobbit hero.
Attached hero gets +1 +1 and +1 .
Response: After attached hero exhausts to defend an attack, discard the top card of the encounter deck. Deal damage to the attacking enemy equal to the discarded card's 
.
Attach to the Ring-bearer.
Attached hero gets +1 and +1 hit point.
"I should feel happier if I knew you were wearing it. I have a fancy it would turn even the knives of the Black Riders..." –Bilbo, The Fellowship of the Ring
Attach to a Warrior hero or Gandalf. Restricted.
Attached character gets +2 .
Response: After attached character destroys an Orc enemy, draw 1 card.
"...at his side was the elven–sword Glamdring, the mate of Orcrist that lay now upon the breast of Thorin under the Lonely Mountain." –The Fellowship of the Ring
Attach to a Noble hero or Aragorn. Restricted.
Attached hero gets +1 +1 and +1 .
Response: After an attack in which the attached hero defended resolves, exhaust Andúril to target the enemy that just attacked. Declare attached hero as an attacker against that enemy (and resolve the attack).
Setup: Attach to a hero in play.
Add Phial of Galadriel to the victory display and remove it from the campaign pool, to give each enemy engaged with you -4 until the end of the round.
"May it be a light to you in dark places, when all other lights go out." –Galadriel, The Fellowship of the Ring
Setup: Attach to a hero in play.
Action: Add Three Golden Hairs to the victory display and remove it from the campaign pool, to lower each player's threat by 3. Then, each player draws 3 cards.
"...your hands shall flow with gold, and yet over you gold shall have no dominion." –Galadriel, The Fellowship of the Ring
Setup: Attach to a hero in play.
Action: Add Leaf-wrapped Lembas to the victory display, and remove it from the campaign pool, to ready all heroes in play.
Often in their hearts they thanked the lady of Lórien for the gift of lembas, for they could eat of it and find new strength even as they ran. –The Two Towers
Play only if you control at least 1 Ent character.
Attach to a character. Limit 1 per character.
Attached character gets +2 hit points.
The effect of the draught began at the toes, and rose steadily through every limb, bringing refreshment and vigour as it coursed upwards, right to the tips of the hair. –The Two Towers
Attach to a Rohan hero. Restricted.
Reduce the cost to play Herugrim on Théoden by 1.
Response: After attached hero is declared as an attacker, exhaust Herugrim to add attached hero's to its for this attack.
"Here, lord, is Herugrim, your ancient blade." –Háma, The Two Towers
Setup: Attach to a Warrior hero.
Response: After attached hero is declared as the only attacker against a non-unique enemy, exhaust Intimidation to give that enemy -2 for this attack.
"None knows what the new day shall bring him," said Aragorn. "Get you gone, ere it turn to your evil!"
–Aragorn, The Two Towers
Setup: Attach to a Healer hero.
Action: Exhaust attached hero and Hands of a Healer to heal up to 3 damage from a hero.
"Life to the dying
In the king's hand lying!"
–Herb–master, The Return of the King