Clans_04.jar is a beta file of the Minecraft plugin Clans [Free] - [1.13 - 1.16], made for Minecraft 1.14, 1.13, 1.12, 1.15. It was published on January 2, 2020 and is 0 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Clans [Free] - [1.13 - 1.16] plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.