The trigger is pressed down for the air and back for the paint. Now when it comes to the feed on the airbrush there are three types of feeds that you can choose from. The type of feed you choose will also depend on what you are doing as well as what you are comfortable working with. The gravity feed is a top mount cup that uses gravity to pull the paint down into the airbrush. Airbrush Art-Your Airbrush Parts All beginner airbrush artists should understand the parts of their airbrushes and what these parts do. After all how can your create great airbrush art if you do not truly understand your airbrush equipment? Take the time to gain knowledge of all the parts of your airbrush will help you to learn how to properly work your airbrush and also how to take care of it. Most artists find the using their airbrush without the needle cap gives them more control. Removing the needle cap is fine but should you hit your airbrush against something or drop it you could end up damaging the needle itself. So to take care of your airbrush make sure that when you are not using your airbrush that you replace the needle cap back onto it. Many artist are making a name for themselves with custom airbrushing art onto automobiles and motorcycles. The cost for this art is expensive and you can cut your costs down by learning how to do it yourself. Also by doing it yourself you have more of a say in how it will turn out. As you can see airbrush art can fit for anyone's tastes and needs. By acquiring the skills needed to do micro airbrushing the artist can capture more detail in their airbrush art on the model car. Imagine being able to create realistic eyes on a dragon you just airbrushed onto the hood of a small model car? When a person looks strongly at your artwork on the hood of the model car they can really see the capacity of the skills that you have as an airbrush artist. Airbrush art workshops are offered around the world by many expert artists who will show you up close and personal how to create art like a pro. These workshops range from beginners to advanced classes. Each artist and each individual workshop will teach you something new and exciting about the world of airbrush art.