Drop the file into the datapacks folder of your Minecraft world. Run the /reload command in-game or restart the world. If you can tell me: Which are you playing? (e.g., 1.21) I can pinpoint the exact download link for your needs. craftable horse iteams - Minecraft Data Packs - CurseForge
Introduces crafting recipes for Iron, Gold, and Diamond horse armor, typically utilizing their respective ingots. Craftable Horse Armor and Saddle [DATAPACK]
Some versions allow upgrading Diamond Horse Armor with a Netherite Ingot and Upgrade Template. Installation Drop the file into the datapacks folder of
Designed to be lightweight, integrating seamlessly into survival gameplay. and Diamond horse armor