1.18.1 Shulker Box Dupe

[StreamJerker]

This dupe works most commonly with 2 people or an Auto-Mine mod. To perform this dupe one player must remove an item from the shulker box at the same time the shulker is broken. Can be done by a single person with an Auto-Mine mod designed for this use case. Easy, late game dupe that can be used to dupe many items at a time if quick enough, or with the help of a third party mod.

This article from the Wiki outlines how the dupe is performed.