You can ask and answer, that is, ask a question, and then you give an answer, and unconsciously mention your product while answering. For example, such soft articles are all about how to design underwear. At the end of the article, I wrote, "How to make men's underwear and how to highlight the feeling of quality characteristics? There are many samples to check here, so I won't explain them here. " When readers see this, many will search for your introduction, so that your products will be publicized.