Minecraft Horse Armor enchantments.
I think you should be able to enchant horse armour and get some unique enchantments such as an enchantment that gives
your horse increased
Height of jumping
these are just some ideas.
5 year veteran of Minecraft.
How about being able to apply regular armor enchantments on horse armor? I am developing a mod, that will allow it a future version (https://minecraft.curseforge.com/projects/enchanting-tweaks).