Error display: Unable to upgrade backpack using this method.

Function request: Can a suitable backpack with wings be hidden? I hope so, it will be more aesthetically pleasing.

what method.
use leather in first slot then backpack and in last slot backpack upgrade
if you want to hide bcakpack while wering elytra, theres already config option for that

什么方法。 在第一个插槽中使用皮革，然后背包，并在最后一个插槽背包升级 如果你想隐藏bcakpack而wering elytra，there's already config options for that

yep I put leather, regular backpack, and upgraded iron chips into the forging table.
But it cannot be upgraded.
It will prompt that you cannot upgrade using this method. (And the font overlaps).