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. The paint that you will use when doing airbrush art on nails is water based. A bottom coat and a top coat are what protects the water based paint from being damaged. You will also need to spray a light coat of what is called varnish between the artwork and the top coat. Varnish is just a water based clear coat that will protect the paint from getting brush strokes when you apply the top coat. Thus making for a pretty fun hobby or profitable business. The great thing with airbrush art is that you really do not have to know how to draw. All you need to know how to do is successfully use the stencil that you wish to use for your design. The main key is learning how to control the airbrush gun so that you can get the paint only where you want it and not overcast the paint where you do not want it. The history of airbrush art is just as fascinating as the creative designs that artists are using airbrushing for. Experts believe that a primitive form of airbrush art was used by ancient civilizations. The method believed to be used in this primitive form of airbrush art was the use of a hollow bone in which to spray the paint out of by blowing through it. The effects of airbrushed makeup are more natural but at the same time more dramatic than the use of regular make up. The application of makeup takes time and a lot of practice to be able to do perfectly. The human face is one canvas where an artist does not want to mess up. One must be sure of their abilities with not only the application of the right makeup but also with use of an airbrush to apply those makeups. Learn about choosing paints and other material that you will need. Practice exercises will have you practicing what you see on the video so that you can master your skills. Biker Skull featuring renowned airbrush artist Robert Benedict will show you step-by-step how to create a professional looking skull in a leather cap.