I am attempting to speedrun the game (and maybe beat the WR some day), and my runs keep halting relatively early on because of one factor:

I'm trying to utilize the item duplication glitch that many MC speedrunners use, FearfulFerret being the most recognizable. I'm doing it on 1.10.2 (And soon, 1.11) and have gotten the glitch to work before... however, I'm having a lot of trouble doing it consistently. FearfulFerret does a good job of explaining how it works, but never really explains in full how it's executed.

Is there any timing or trick to successfully pulling it off, or any visual/hearable cues?

  • Maybe you should just do it without dup-ing items. Otherwise people will likely question the credibility of your completion time.
    – mbomb007
    Commented Nov 14, 2016 at 22:26
  • I'm going for any%, not glitchless. From spawn to credits. I've seen plenty of runners pull this glitch off, and it can save tons of time.
    – Dournbrood
    Commented Nov 14, 2016 at 22:32
  • 3
    Well, it's probably a lot harder to do than it used to be. A lot of glitches have been patched.
    – mbomb007
    Commented Nov 14, 2016 at 22:34
  • 1
    Normally it's just a repetition thing with glitches like this. The more times you do it the easier it will be for you, just keep training on it dude, you will have your WR in no time :)
    – SamJ
    Commented Nov 15, 2016 at 1:50
  • 2
    Why not just use creative? It will be fast enough and same cheaty. Commented Nov 15, 2016 at 7:07

1 Answer 1


FearfulFerret specifically uses an older version of minecraft solely because it's easy to use the dupe glitch. If you want to dupe items consistantly, you can change your minecraft version to the on FearfulFerret uses by changing your profile settings in the launcher. Even if you aren't using the most recent version of minecraft, as long as you aren't using cheats/mods, the speedrun still is valid.

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