How does my world name horses?

First, you need to name the horse after a famous brand. Find a box when you meet a mine, and there is a certain chance of having a famous brand;

Second, the role of life cards is to give names to all kinds of creatures, such as sheep, cows, horses, and even villagers. However, the name tag needs to be written on the anvil, so to synthesize an anvil first, it needs 4 iron ingots +3 iron blocks. The synthesis method is as follows.

Third, to name the horse, first take the name on the anvil, such as "Red Rabbit Horse";

Fourth, then right-click the name brand of the horse to be named;

This horse was named "Red Rabbit Horse", so it was named.