Editor Help: Requiring an item

[The One]

I'm trying to put together a basic Beasts and Barbarians user template, and I'm stuck with one of the Edges.

The edge in question will increase a user's Parry score, if they have specific items equiped. Ideally, I'd like to specify a custom list of gear, and as long as any item from the list is equiped, then the bonus is applied.


Additionally, am I right in thinking the Preclude section will remove items from the list if the source is active? If so, will that allow me to preclude the default Arcane Background options if the source is active?