wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, 32 people, some anonymous, worked to edit and improve it over time. This article has been viewed 86,558 times. The wikiHow application for iPhone and iPad is a great way to take the best of wikiHow with you on-the-go. With the wikiHow app, you can browse our