What is a molette for the horse ?

What is a molette in the horse? How to identify it? The difference between hard and soft tare. Understand the causes and identify them in order to reduce them and relieve your horse. What are the treatments to attenuate a knurl?
In this article, you will find out:

What is a thumbwheel in the horse?
How to start the knobs?
What are the treatments ?
What is the difference between hard tare and soft tare?