Having the pack downloaded, up and running, on your singleplayer world or your server, life in survival gets a lot easier. Simply crafting the Lumberjack-axe, you are now able to chop down whole trees at once. Chop one log of a tree and all the other logs drop down as well. All the information needed to craft yourself the Lumberjack-axe is contained in the manual you get when starting the world or joining a server. Have Fun!