These are all the working duplication glitches in Minecraft 1.21.4 (Java Edition). Each method is fully tested and survival-friendly, letting you duplicate items, blocks, rails, carpets, and more ...
These glitches will make you infinitely powerful on Minecraft Xbox 360. Keep in mind that the upcoming update may render some of these glitches ‘fixed’ so you’ll have only until then to try them out.
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