The purpose of this opening is so that you can adjust the needle without removing the handle in a single action airbrush. Most experienced airbrush artists will actually take their handle off so that they can deal with clogging issues without delay. So the choice is yours as to whether or not you want the handle on or off of your airbrush while you are creating airbrush art. Caricatures are seen in a lot of art and airbrush art makes for creating some really interesting caricatures. Kent Lind will show you how to create cool caricatures in this approximately 70 minute video titled, How to Airbrush Caricatures. This video will go into all the details that you will need to know to create your own airbrush art caricatures. You just took two things you seen incorporated them both together turned them into something else and now you have a unique floating cloud playground. Inspiration can also come from books as well. Go to the library and check out some art books to help you get some inspiration to get you going again with your creative design. Kent Lind will show you t-shirt airbrush art in his video Introduction To T-Shirt Airbrushing. This video is intended for beginners to learn first how to construct an airbrush and also for cleaning purposes how to take the airbrush apart. Cleaning the airbrush is covered in this video as well. For the actual creation of artwork you will learn about the dagger/flare stroke, styles and basics on lettering and color theory. While these stencils can greatly aid you in your airbrush art, they also can hinder your creativity. So the best way to deal with having you use stencils and reduce costs as well as leaving your creativity open is to create your own stencils. If you can trace you can create your own stencils cheaply. How to Airbrush T-shirts and Other Clothing by Diana Martin is good for beginners or can be used by the more experience airbrush artist who wants to learn the techniques used for airbrushing textiles. This book contains information on all the equipment, materials and techniques needed to create airbrush art on textiles.