A hook is an introductory remark (typically the first line) of an essay that seeks to pique the reader's interest and entice them to continue reading. It is possible to do this by employing a variety of hooks, such as questions, quotations, facts, or stories. The main purpose of the hook is to draw readers in so they will want to read the rest of the essay. Throughout history, many different types of hooks have been used by writers to attract readers' attention. Some common examples include opening with a question, introducing a fascinating fact, quoting someone famous, or telling a story. Many books contain some type of hook - usually something that catches the reader's interest immediately - because it is believed that this kind of lure helps to keep readers reading past the germs section of a book report. Hooks can be used at any point in an essay to bring back attention to relevant topics or themes. For example, if you are writing about what effects air pollution has on plants, you could begin by discussing one type of plant and how it reacts to pollutants before moving on to other kinds of vegetation and their responses to environmental factors. Some people think that using too many hooks is a bad idea because it can make an essay seem like more of an effort than necessary. However, it is acceptable to use several hooks provided they are not repeated too often or discussed too extensively.