There are actually two reasons for the base coat. This base coat will help protect the nail from the paint and help the paint to adhere to the nail better. Metal should be wet sanded to give a rough grainy effect. This rough grainy effect will help the paint to adhere to the metal. With metal actually being smooth the paint will have a hard time sticking to the smooth surface. Airbrush art can also be applied to the body to create temporary tattoos and thus uses the human body as a canvas for an artist's imagination. Cigarette lighters are also being used as a way for artist to show of their airbrush art. The once simple looking lighter is now a display item with awesome art on it. The next morning take an airbrush cleaning brush to it. Make sure to oil your airbrush up before putting it back together. 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. Water soluble acrylic paints are used for airbrushing art onto plastic, metal, vinyl, wood, ceramics and cloth. This makes this type of paint the choice for airbrushing art onto your model cars or airplanes. This is also the choice for airbrushing t-shirts as well. But as long as your project is made from the above material you can use water soluble acrylics for your airbrush art designs. There are a diversity of magazine publications to appeal to airbrush artists out there. Some magazines are in print and with the access of the internet there are airbrush art magazine online as well. Whether you are reading and learning more about airbrushing in a printed magazine or an online magazine you are sure to gain knowledge of the airbrush art industry. Airbrush Art On Automobiles By airbrushing art onto your automobile you can create a unique paint job that really shows off your style. Once you have the basics down on how to work the airbrush then you can pretty much create some great airbrush art on your automobile. It does not matter if you can draw or not.