knock_on_doors-1.0.0+1.21.jar is a release file of the Minecraft mod Knock On Doors by Crimulus for Fabric, made for Minecraft 1.21, 1.21-Snapshot. It was published on July 3, 2024 and is 0 MB in size. For the full description, screenshots and every other version, visit the Knock On Doors by Crimulus mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.