If you’re like most people, you probably use Illustrator to create graphics for your website, brochures, or other types of documents. And if you’re like most people, you probably have a lot of brushes saved in your brush library. But how do you open a brush? There are two ways: by clicking the “Brushes” tab in the Tools panel and selecting the brush you want to use; or by using the keyboard shortcut (Windows) or command (Mac) + B. ..