rhino-forge-1801.1.9-build.125.jar is a beta file of the Minecraft mod Rhino for Forge, made for Minecraft 1.18.1, 1.18.2, 1.18. It was published on March 28, 2022 and is 1 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 Rhino mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.