To use the Butterfly-Click-Mod-Forge-1.8.9.jar , you must have the Forge mod loader installed.
Increased CPS makes fast bridging techniques (like jitter-bridging) and emergency "block clutching" over voids much more reliable. Installation Guide (Minecraft Forge 1.8.9) File name- Butterfly-Click-Mod-Forge-1.8.9.jar
It is vital to distinguish between physical butterfly clicking and using a mod file like this: To use the Butterfly-Click-Mod-Forge-1