While being carried by the Killer, the following effects apply:

Increases the intensity of the Struggle Effects on the Killer from your Wiggling by 60/70/80 percent.
Obscures the Auras of all Hooks from the Killer's Aura-reading abilities within 16 meters.
Fills your Wiggle Meter by 33 percent of your current Wiggle progression upon landing, when the Killer drops from great heights.

After performing a rushed vault in a Chase, Cut Loose activates for the next 4/5/6 seconds:

Suppresses both the Loud Noise Notification and the sound effects triggered by rushing to vault.
Successfully performing a rushed vault while Cut Loose is active resets the timer.
Cut Loose has a cool-down of 45 seconds.

While repairing Generators, complete 5/4/3 Good or Great Skill Checks to activate Rookie Spirit for the remainder of the Trial:

Once active, the Auras of any regressing Generators are revealed to you.

Unlocks potential in your Aura-reading ability.
Each time a Generator is completed, the Auras of any Generators, Chests, and Totems within 32/48/64 metres are revealed to you for 10 seconds.

If you are holding a Map, any objects revealed by Detectives Hunch will automatically be tracked by it.