The air cap and head assembly are on the front of your airbrush and they cover the tip of the needle. The purpose of these parts is to control atomization of the paint spray. Should these parts become dented or damaged in anyway you should replace them immediately. Damage to the air cap and head assembly will effect the performance of your airbrush. A Look At The History Of Airbrush Art Airbrush art is a popular form of painting various designs on various types of surfaces. Everything from skin, clothing, canvas and automobiles are being used to show fantastic works of art using airbrushing. Motorcycles and building murals are also a target for an artist to show off their creativity with airbrush art. There is no need to be able to free hand you art work either. Stencils can be used to airbrush art on to your automobile just the same as any other surface or project. The art that you create with airbrushing is only limited to your own imagination. There are plenty of places to acquire stencils or get design ideas so that you can create your own stencils. For those that want to take it a step further it can also be fun and exciting business. T-shirts containing airbrush art are popular and unique to wear. What makes airbrushed t-shirts so unique is that one of a kind images can be created giving the wearer a shirt that no one else has. Thus making for a pretty fun hobby or profitable business. It is only after you have people looking and admiring your work will you finally start to become known. There are several ways that you can get your airbrush art seen. Most of these ways will actually cost you nothing. The use of the internet has made it where you can show your work to the world for free. With airbrush art you can go extreme with fantasy art or murals of realistic scenery. You can go with bold colors schemes or subtle colors. The possibilities with airbrush art are unlimited and only limited to the artist imagination. Any scene, any surface and everything in between can be airbrushed.