First of all download tweakmb
- https://forums[dot]taleworlds[dot]com/index.php?topic=101731.0

Follow my instruction

1. Open your Native Module and AWOIAF Module
   
2. Rename item_kinds1.txt ( item_kindsd1.txt ) in AWOIAF Module
   
3. Copy item_kinds1.txt from Native Module to AWOIAF Module
   
4. Open tweakmb
   
5. Load Module
   
6. Choose Native 1.53
   
7. Edit whatever you want
   
8. Save Changes
   
9. Back to AWOIAF Module Delete item_kinds1.txt
   
10. Rename item_kindsd1.txt (Original item_kinds1.txt for AWOIAF) to item_kinds1.txt
    
11. Start your Mount and Blade !

DONT FORGET TO BACKUP THE ORIGINAL item_kinds1.txt FILE !!!!!!

Sorry for my bad english.