Both the needle, air cap and head assembly can be purchased at almost any craft or hobby shop that sells airbrushes and airbrush parts. The airbrush trigger is what allows you to actually operate the airbrush. In a single action airbrush the trigger controls the air flow. In a dual action airbrush the trigger controls both the air flow and the paint flow. These designs are great on t-shirts, canvas and if you really want you can put then on your car. After all art is all about imagination and showing off your creative imagination. advancing your techniques and learning new design methods can help you to advance your airbrush art. Once you have learned the advance techniques and design styles offered in these advanced articles, you can then customize what you learned to create airbrush art that is truly your own. Then the clothing can be laundered without risk of damaging the airbrush art design. When doing airbrush art in the form of body art or tattoos you can use paint that is usually termed in two ways. Usually this paint is referred to as body art paint or airbrush tattoo ink. Both forms are basically the same and maintain a realistic tattoo look. If you purchase the see through folders then you can use these for stencils even if you are limited to tracing your design onto the plastic folder prior to cutting it into a stencil for your airbrush art. No matter what material you go with make sure that you remember to cut out your areas slowly. By taking your time you can make sure that everything matches up the way it should. It is at this moment that you realize that you are not able to do what they did. To start with you need to practice with simple techniques until you get the hang of how to do them. Simple techniques will give you a better understanding of the process and allow for you to have a foundation in which to build on. If you are at an intermediate level with airbrush art then The Ultimate Airbrush Handbook by Pamela Shanteau is for you. This book will show you all about airbrushing everything from t-shirts to home interiors. Almost all surfaces for airbrush art are covered at the intermediate level in this book. Airbrushing nails to airbrushing cars is explained in great detail to help you advance further no matter what surface you like to put your airbrush art on.