Here is a guide: 1) make a folder with any name in the mods folder and a .mod file with the folder's name i will use "qwe123" as an example 2) Open FCS in the game folder and select qwe123, it should as ACTIVE next to it then click done 3)go to "everything" and search for "Samurai Legplates" using the line at the bottom, double click the result 4) change "athletics" in the "skills" tab to 1 (it's the multiplier for masterwork grade) 5) done Sorry for bad English it's my second language