[20w45a] 1.5.9 is a release file of the Minecraft mod Mouse Wheelie (Fabric) for Fabric, made for Minecraft 1.17. It was published on November 6, 2020 and is 1 MB in size. For the full description, screenshots and every other version, visit the Mouse Wheelie (Fabric) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.