Initial Inventory allows you to set what items a player who is joining the world for the first time, will start with.
Check the docs here:
https://docs.blamejared.com/1.14/en/mods/InitialInventory/InitialInventory/
If you would like to support me in my modding endeavors, you can become a patron via 
Patreon.
This project is sponsored by Nodecraft. Use code JARED for 30% off your first month of service!
Initial Inventory Team
Owner
