A worthy mod which the benefits you gained from this mod can be reserved in ordinary games.
Enable 4 Elemental slots for all weapons,  you can delete this mod after you have crafted your weapon, have fun!    (Authorized for entertainment only)

1. Enable 4 slots for all weapons(except hidden type). 
2. Enable you to insert any Heat/Freezing mod into weapon's grip slot, and enable you to insert any Toxic/Bleeding mod into weapon's charms slot. (Support 2 Xtra elemental slots as you can insert Impact and electricity into Normal first-two slots)
3. An reserved plan is ready as you can create the top level Impact/Electricity/Toxic/Heat mod if you don't have any materials around you. (Completely takes effect after you unlock the Molotov blueprint). 
4. Weapon crafted can be shared to others (full function). 
5. You can delete this mod after you have crafted your weapon (it works normally)
6. After you delete this mod, your crafted weapon panel will encountered display problem that some slots are missing, BUT IT WORKS NORMALLY, DO NOT ADD 
additional mods into blank slots  to remove BUFFS NOT DISPLAYED.

Applicable to any language version.