Complete all five Captain Kidd missions unlocked by collecting trinkets to obtain the Shard of Eden.
As young Connor/Ratohnhake:ton, lightly press the LEFT ANALOG stick while holding RUN in the direction you wish to move. Instead of running, Connor/Ratohnhake:ton will skip.
After Sequence 6, return to the Davenport Homestead and, from the front door, walk around the RIGHT side of the manor and hide around the corner at the back. Whistle to have a turkey appear nearby. Approach it and press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, B, A to feed it. This will result in the turkey donning an Assassin's hood and following Connor around.
Unlock the following outfits by performing the corresponding tasks. They become available in the basement of the homestead for you to wear:
OUTFIT - HOW TO UNLOCK
Achilles' Original outfit (at manor) - Complete all Achilles' Homestead missions and interactive conversations.
Altair's robes (at manor) - Have 100% Sync on all story based missions.
Assassin's robes - Proceed through the storyline (Sequence 5).
Baltimore outfit (at shops) - Start Sequence 09.
Boston outfit (at shops) - Start Sequence 06.
Captain Kidd's outfit (at manor) - Collect all 24 Peg Leg Trinkets, 4 Map Shards, and solve the riddle on Oak Island.
Charleston outfit (at shops) - Start Sequence 06.
Ezio outfit (at manor) - Purchase for 30 points in U-Play store.
Jamestown outfit (at shops) - Start Sequence 06.
Kanienkeha:ka outfit (at manor) - Collect all Feathers.
New York outfit (at shops) - Start Sequence 09.
Philadelphia outfit(at shops) - Start Sequence 09.
Prisoners outfit - Proceed through the storyline (Sequence 8).