rabbit-gui-1.12.2.2.jar is a release file of the Minecraft mod Rabbit GUI, made for Minecraft 1.12.2. It was published on June 19, 2018 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the Rabbit GUI mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.