Originally Posted by Punter X
isn't it also mentioned in the tutorial?

I think it is one of the very first things mentioned. If I recall correctly it is when you're looking for the chest with the furs that you're to sell to the merchant at the fair.

I mean, come on man. Not only is it mentioned in the manual AND in the tutorial but it is also a reconfigurable key … that's 3 different references that he missed. For crying out loud.