Addon: Crazy Chest
Tired of feeling lonely and having to carry your items on your travels? your problems are over! With this crazy chest your minecraft adventures have become much more fun and dynamic.
Craft it using diamonds and soul torches:

You can tame it with any in-game food, seeds, raw meat or vegetables like carrots and potatoes.
Once you've tamed him, he's yours forever! And will follow you everywhere. You can save your items by right clicking or "open" button on mobile devices. (The texture used in the images not included)
If you need to leave it at home or you no longer want to use it, just kill it to recover used items and items that are stored
Don't worry about protecting it from the monsters, they think it's a chest!
How to install the add-on
Download the .mcaddon or .mcpack file, open it with Minecraft and wait for the import to finish. Then enable the resource and behavior packs in the world settings. If the add-on requires experiments, turn them on before launching the world.