After hooking a Survivor, Pop Goes the Weasel activates for the next 35/40/45 seconds:

Performing the Damage Generator Action on a Generator instantly regresses it by -20 percent of its current Progression, after which normal Regression applies.

Your Terror Radius is increased by 26percent.  Gain 100percent more Bloodpoints for action in the Deviousness category.

The last 2/3/4 Survivors hit with either your Basic Attack or Special Attack suffer from the Blindness Status Effect.

The Hex effects persist until its Hex Totem is cleansed.

Iron Maiden increases your Locker Search speed by 30/40/50 percent.
Survivors who exit a Locker suffer from the following afflictions:

Scream and reveal their location to you for 4 second.
Suffer from the Exposed Status Effect for 30 seconds.