Upgradable Backpack

I made the backpack, which is - Dyeable through the crafting table. - Easily renamable using an anvil. - Wearable in your chest slot. - Upgradable to get more slots (9 -> 18 -> 26 slots) ## Demo Video ## How to Use Backpacks * To store or retrieve items, simply drop the backpack on the ground. It will transform into a barrel, allowing you to manage your items. Click the "Exit" button slot to revert it to a backpack item. ## Crafting Recipes - **Craft a Small Backpack:** (4 wools, 4 leathers, and a barrel)  - **Craft a Backpack Upgrader:**  - **Upgrading to a 26-Slot Backpack:** Place the upgrader into your backpack block.