I am struggling the the duplication glitch I am doing it exactly as all the tutorials say. Any help? Both one item and multi-item duplication I am using 1.12.2

Here's a clip of me trying to get it to work. Sorry about the White Noise:
https://www.youtube.com/watch?v=AKoIo4SGn1M&feature=youtu.be

Duplication

Robo

Minecraft: Java Edition

nickyg

ANJOUU

FALCONNN

periperi

WashingMachine333

1.2.1

1.2.2

1.2.3

1.2.4

1.2.5

1.3.1

1.3.2

1.4.2

1.4.4

1.4.5

1.4.6

1.4.7

1.5.1

1.5.2

1.6.1

1.6.2

1.6.4

1.7.2

1.7.4

1.7.5

1.7.9

1.7.10

1.8.1 Easy

Normal

Hard

Hardcore

1.8.2

1.8.3

1.8.4

1.8.5

1.8.6

1.8.7

1.8.8 4 Players

5-9 Players

10+ Players

1.8.9

1.7.6

1.7.7

1.7.8

1.9.1

1.9.2

1.9.3

1.9.4

1.10

1.11.2

1.11

1.12

1.12.1

1.12.2 2 Players

3 Players

1.7.3 Set Seed

Random Seed

1.1-1.6

1.8-1.11

No F3

1.13

1.13.1

1.13.2

1.10.2

1.14

1.14.2

1.14.3

1.14.4

1.15

1.15.1

1.15.2 Pre 1.8

1.13-1.15

Pre 1.9

1.14+

1.9-1.15

Vanilla

Version

Difficulty

Player Count (Any% Glitchless Co-op)

Seed Type (Any% Glitchless)

Version Range (AAch)

Seed Type (Any%)

Seed Type (Any% (Peaceful))

Seed Type (Any% Glitchless (Peaceful))

Seed Type (AAch)

Version Range (AAdv)

Seed Type (AAdv)

Version Range (Any% Glitchless)

Version Range (Any%)

Version Range (Any% Glitchless Co-op)

Mods

Version Range (Any% Glitchless (Peaceful))

Version Range (Any% (Peaceful))

Version Range (Any% Glitchless (Demo))

Player Count (AAdv Co-op)

Seed Type (AAdv Co-op)

Version Range (AAdv Co-op)

Seed Type (Combined Any% Glitchless)

Seed Type (Any% (Time Travel))

Seed Type (Any% Glitchless Co-op)

Splits (Combined Any% Glitchless)

If you save & quit/close the game at any point during the run, choose External.

Internal/External (Any%)

# Rules v2 Release

View the current version of the rules document at **<https://www.minecraftspeedrunning.com/public-resources/rules>**

Summary:

- ([#123](https://github.com/Minecraft-Java-Edition-Speedrunning/rules/issues/123)) Lowered extra proof requirements for 1.16+ RSG to **sub-13** for wor

Rules v2

Official Rewritten Rules

Updated Legal Mods + New Sodium Options

Minecraft

Minecraft Speedrunning Questions Thread

Form for requesting custom map / server leaderboards

Is there any other way to increase gamma for speedrun?

Fastest time to break a any Mob Spawner

AA Tool on Server

aternos question

Awesomecuber

AprilSR

skylewl

draconix

Luminosity

mrktospl

ElRichi

DrGuy

Keima

Specnr

AlEmeralds

Armpitsmoothie

audioSalix

silverr

gaylea

LeafpoolSR

BSRF

luvvlyjude

taffel

Hayley

3sonya

tildejustin

the_yuukster

r0hkx

FelixMauser

leto_saa

trewalco84

kierabyte

a_potato_1

RadIv

TalEmpire