How to promote specific Products
This is what your Affiliates will do by going to their account page and generating a referrer code for your product. They can copy the Product link and generate an affiliate link via Account Page->Affiliate Links section. Then they will share this code on social networks, blogs, forums etc. and bring traffic to your website and product.
You could stimulate your affiliates by creating a good offer for a specific product so that they are more motivated and focused on that product. To learn more about offers read this article.