So, Harry had to be "Happy" (among other components) in order to capture sunshine in a handkerchief, which was later used to fry a Red Court Vampire.
How would you build an item meant to defend against an anticipated White Court mind-whammy? What sort of socio-emotional situations would you mine for Ritual Declarations to get a Potion that effectively (albeit temporarily) suffused its bearer with True Hope, or True Courage? Or would these things be just as hokey as making a True Love amulet?
During a scene that was spiraling downhill, in which my nigh-insane spellcaster was filled with despair and fell in easy reach of our White Court Virgin (Malvoran), I successfully established that my guy had prepared for the possibility, and had prepared a defensive amulet which would make him unpalatable to his friend should her discipline be begin to slip (under the weight of some Compels). It was a relief at the time, of course, but in retrospect: was it appropriate?