Starting location: Inside the Clock Tower, south of Ardougne. Talk to Brother Kojo.
Quest difficulty level: Medium.
Reward: 500gp.
Quest points gained: 1.
Required Skills: You must be able to defeat or run from at least one level 53 ogre.

When you go down into the basement, you will see a square on the floor with four different colours. They will all point to the way to go to get the cog of that colour.
White Cog: First find the rat …