The trigger will control the air and the amount of paint that comes out is determined by the needle adjustment on the back of the airbrush handle. Dual action is when the trigger on the airbrush controls both the air and paint. 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. Airbrush art can go on your cabinets, doors, toilet seats and so much more. Remember though that this does not have to be anything bold. It can just be some simple flowers or ivy trim but the choice is yours. Clothing is open to airbrush art as a way to create unique one of a kind clothing and accessories. The work area is very small and the artist has to have mastered the techniques involved with airbrushing. One main problem that beginners face is over spraying. Over spraying is when the artist sprays outside of the area in which they are trying to spray. When working with nails you do not want to end up airbrushing the person's fingers. Get yourself a free blog and start showcasing what you can do. Don't just put up pictures of your work though. Make sure to actually talk to your audience. Tell them about yourself and your passion for airbrush art. Show some pictures of your work and tell your audience how you created that design. Talk about the paints that you use, the types of airbrushes and so on and so forth. But no matter what material your stencils are made from they all have to things in common. One the stencils can start to get expensive purchasing. Secondly you are limited to only creating designs based on the stencils that you can get your hands on. While these stencils can greatly aid you in your airbrush art, they also can hinder your creativity. While most magazines and books will offer some pictures this is not enough for a fully visual person. So when some one is fully visual and they want to learn something the best thing they can do is watch videos that show how to do something. There are some great videos on the market that will show a beginner how to do airbrush art.