Simple Backpack Addon (compatiple with other addons)
Do you want to have a Backpack i your world? . So this add is for you. This addon will add Backpack to your game that doesn't player.json file so you can play it with any addon.
#1: Recipes:
Backpack Recipe:

(To interact with the backpack we also need a Backpack Glove)
Backpack Glove Recipe:

#2: How to use:
-Right click (on pc) or long press (on mobile) to open backpack's inventory:

(Backpack will have capacity equal to a normal minecraft chest).
-To pick up the backpack we have to hold the backpack glove in main hand and interact with the backpack

(The backpack will be attached to player's back instead of wearing it like normal armour so we can wear armour along side with it)


-We can use a pair of shears to "destroy" the backpack if we don't need to use it anymore

#3: How to deal with bugs when it happen:
-In some situation we may encounter bug that prevent us from picking up our backpack. To fix it we have to go sneaking and hold the backpack glove in our main hand to "Reclaim" the backpack

Then we will be able to pick it up like usual.
-Because the backpack is an entity so we will need some trick in other to go the Nether with our Backpack:
Here the way to go to Nether with our Backpack:
-That's all about my addon. I Hope you guys like it :))))).
#4: Installation:
-Click the link below to download the addon and REMEMBER TO TURN ON ALL THE EXPERMENTAL FEATURES FOR THE ADDON TO WORK PROPERLY.

-Fixed some visual bugs
-Fixed bug that backpack can be suffocate in wall
-Fixed download link
updated