So how does one craft an opening line to a post that effectively engages readers and stimulates enough interest to get them to read your blog post? Here are a few tips that I’ve found helpful. 1. Identify a Need. If you haven’t got it by now you should be starting to see that I place a lot of importance on identifying a reader’s need and solving it as a key to writing successful blog posts. You don’t have to solve the need or problem in the opening line but an effective way to get readers to read deep into your post where you do solve it is to tell them that you will in the opening line.