Here is a very simple and completely decorative modification that allows you to remove the display of armor on your other characters. (Default key J). I’m not sure will help you with this mod or not, but the author decided to bring their idea to life!
How to install Hidden Armor Mod
- Download and install Minecraft Forge
- Download mod
- Do not unzip it, copy to C:\Users\User_Name\AppData\ Roaming\.minecraft\mods