The resource pack used for testing uses CustomModelData
There is a model with instructions to take the sword directly (ゝ∀･)⌒☆
If you need other texture pack teaching, you can visit my blog
Tool durability and resourcepacks teaching: https://blackstarglitters.blogspot.com/2018/02/resourcepacks_18.html
OptiFine resourcepacks teaching: https://blackstarglitters.blogspot.com/2020/09/optifine.html
And spring is coming soon.
At that time, this product will usher in an update! >"<