If you want to change something about the product you've added in a horse entry, follow the steps below:

1. Go to the dashboard
2. Click on "Entries"
3. Select the relevant entry from the list
4. Click on "Edit"
5. Select the relevant product from the "Products used" section that you wish to edit
6. Make the necessary change in the size or number of shoes
7. Click on 'Add product' to save the changes

If you wish to delete a product, simply tap on the dustbin icon next to the product.