Java Duplication Glitch 1.21+ (EASY)

✅Any Item Dupe Working✅ as of 1.21.10 Java Edition | ⭐sub :) How to duplicate items in Minecraft Java Edition. This method works for multiple versions of Minecraft. 1.18, 1.19, 1.20, 1.21+ ⏳---Time Stamps---⌛ 0:00 - Intro 0:02 - Materials 0:16 - Barrel Dupe 3:09 - Cya Layta ( ͡° ͜ʖ ͡°)