Rangemode 1.2.1 [1.7.9] + Double Jump is a release file of the Minecraft plugin Rangemode. It was published on October 12, 2014 and is 0 MB in size. For the full description, screenshots and every other version, visit the Rangemode plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.