[Suggestion] HMCcosmetics/MCcosmetics compatibility

https://www.spigotmc.org/resources/hmccosmetics.100107/

https://mythiccraft.io/index.php?resources/mccosmetics-the-ultimate-cosmetics-plugin.818/

How this would work is backpacks/cosmetics could be applied when certain items are equipped, so equipping something like a backpack could actually make a backpack show up on a player's back.