Each Dale character you control with a player attachment gets +1

Response: After you play an attachment on a Dale character without an attachment, draw a card.

"He is a strong king, and his realm now reaches south and east of Esgaroth."
–Glóin, The Fellowship of the Ring

Guardian of Esgaroth gets +1 , +1 , +1 , and +1 hit point for each different player card attachment it has. (Limit +3 to each.)

The men of the lake–town Esgaroth were mostly indoors, for the breeze was from the black East and chill, but a few were walking on the quays, and watching...
–The Hobbit

Planning Action: Choose a Dale hero you control. Add 1 resource to its pool for each character you control with a player attachment. You can only play 1 copy of Traffic from Dale each round.

The talk was all of the trade that came and went on the waterways and the growth of the traffic on the river...
The Hobbit

Attach to a Dale or Esgaroth hero.

Planning Action: Exhaust King of Dale to reduce the cost of the next Dale ally you play this phase by 1 for each different player attachment on attached hero. That ally does not require a resource match.

Then Bard II, Brand's son, became King of Dale..
–The Return of the King

Travel Action: Choose a location in the staging area with a player card attachment and make it the active location, returning any previous active location to the staging area. Reduce each player's threat by X, where X is the number of attachments on the active location.

South away! and South away!
Seek the sunlight and the day.
–The Hobbit

Action: Choose an ally with a player attachment. Ready that ally.

...the grim–voiced fellow ran hotfoot to the Master. "The dragon is coming or I am a fool!" he cried. "Cut the bridges! To arms! To arms!"
–The Hobbit

Planning Action: Choose a ready player attachment on a character you control. Return that attachment to its owner's hand to reduce the cost of the next attachment played this phase by X, where X is the chosen attachment's cost.

Each Dale character you control with a player attachment gets +1

Response: After you play an attachment on a Dale character without an attachment, draw a card.

"He is a strong king, and his realm now reaches south and east of Esgaroth."
–Glóin, The Fellowship of the Ring

Attach to a Dale or Esgaroth hero.

Planning Action: Exhaust King of Dale to reduce the cost of the next Dale ally you play this phase by 1 for each different player attachment on attached hero. That ally does not require a resource match.

Then Bard II, Brand's son, became King of Dale..
–The Return of the King

Planning Action: Choose a Dale hero you control. Add 1 resource to its pool for each character you control with a player attachment. You can only play 1 copy of Traffic from Dale each round.

The talk was all of the trade that came and went on the waterways and the growth of the traffic on the river...
The Hobbit

Action: Choose an ally with a player attachment. Ready that ally.

...the grim–voiced fellow ran hotfoot to the Master. "The dragon is coming or I am a fool!" he cried. "Cut the bridges! To arms! To arms!"
–The Hobbit

Planning Action: Choose a ready player attachment on a character you control. Return that attachment to its owner's hand to reduce the cost of the next attachment played this phase by X, where X is the chosen attachment's cost.

Guardian of Esgaroth gets +1 +1 +1 and +1 hit point for each different player card attachment it has. (Limit +3 to each.)

The men of the lake–town Esgaroth were mostly indoors, for the breeze was from the black East and chill, but a few were walking on the quays, and watching...
–The Hobbit

Travel Action: Choose a location in the staging area with a player card attachment and make it the active location, returning any previous active location to the staging area. Reduce each player's threat by X, where X is the number of attachments on the active location.

South away! and South away!
Seek the sunlight and the day.
–The Hobbit

Response: After Dale Messenger enters play, choose a player. That player heals 1 damage from each character he controls with a player card attachment.

"We discover that messengers have come also to King Brand in Dale..."
–Glóin, The Fellowship of the Ring

Action: Ready up to X Woodman characters you control, where X is the number of locations with player card attachments.

The Woodman said that there was some new terror abroad...
–The Fellowship of the Ring