When your horse is 3 years old, he can participate in competitions
Therefore he needs full equipment :
Shoes, saddle and bridle
On the right of horse page, you can see >
Chose the shoes you've bought, and which are in your inventory :
You will see this on the horse page >
You will have to change your horse's shoes when wear and tear gets to 99%
Go to the saddlery :
Move the stok (saddle and bridle that you have bought) into the saddlery
Then, you can select the horse to which you want to give this equipment.
GO TO THE BLACK MARQUET >
Chose the item your want to buy :