You can create inconceivable bastardizations of the smith’s art.
Benefit: You can use Creative Armorsmith or Creative Weaponsmith to add a modification to a weapon or suit of armor that already has a modification. The modification you are adding must be one that you have selected with Armor Adept or Weapon Adept. In addition, others can use armor or weapons with your temporary modifications.
Pathfinder Player Companion: Adventurer’s Armory 2 © 2017, Paizo Inc.; Authors: Jenny Jarzabski, Mikko Kallio, Isabelle Lee, Luis Loza, Joe Pasini, David N. Ross, and Linda Zayas-Palmer.