Final Fantasy Hacktics

As part of the mod I'm working on I'm doing a major weapon rework, which includes changing how many of each weapon type there are to a significant degree.  But in doing this I realized that I could run into an issue with Draw Out.  From what I see and would assume, the skill slots for Draw Out require you to have (and will potentially break) the weapon in a specific item data slot.  If so then does that mean in organizing my items I have to keep the katanas in these slots in order to have the skills actually call to those katanas or is there a way to change what item slots the skills pull from (Or prevent them from referencing item slots at all?)