Scroll down on the product page.

You can see Free Earrings section, click "Add to cart"

Choose what you want, click "Add to cart"

Add other jewelry you want to buy to the cart, then click "Check out".

Enter discount code

Pay now

Scroll down on the product page.

You can see Free Earrings section, click "Add to cart"

Choose what you want, click "Add to cart"

Enter discount code

Pay now