The manufacturing process of yak horn fitness ball is as follows:

1. Get a solid yak horn. Yak horn is yak horn, which has certain hardness and elasticity and is suitable for making fitness balls.

2. Cut the yak horn: cut the yak horn into two balls with the same size, which can be cut with a saw, a knife or other suitable tools.

3. Splice the two balls into a complete health ball. Glue, tape or other suitable bonding materials can be used to bond the two spheres together.