This is very small datapack.

This datapack adds 2 new lighter items, they are separate from
Intricate Survival 2 - A Realistic Hardcore Experience (Fan continue, second version) Minecraft Data Pack (planetminecraft.com)

1. Fire plough (1 use fre) made with 2 sticks:



2. Two flints (16 uses fire) made with 2 flints:



Don't worry about knowledge book in crafting result tab. Crafting working good.

Requirements:

- You NEED Optifine to see the custom texture (link here)
  Only Optifine versions that have CIT does work
  Don't forget to enable the settings in "Video Settings/Quality/Custom Items : ON"

- You NEED the Resource Pack

- Disable Datapacks that Unlock Recipes