Gear Lever

Description
The Gear Lever is used to open the frost gate. Note that the Gear Lever is a "Bundle" (i.e. an object that does not go into the inventory, but has to be carried by hands).

Mission Involved In
The Frost Gate (mission)

Location
Once you have picked up the gear lever for the first time, there's a light blue ping repeated on your compass where it lies if it has been dropped again.