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. The images they create are just a vast as the surfaces that they are airbrushing them on. This is why airbrush art fits for just about everyone around. Classic paintings can be airbrushed onto canvas to give for great wall art. With airbrushing the paint goes on to the canvas more evenly than if it had been hand painted. Your airbrush will have a handle on which you can hold onto the airbrush with. Airbrush models come with either a solid handle or a handle with an opening. The purpose of this opening is so that you can adjust the needle without removing the handle in a single action airbrush. Most experienced airbrush artists will actually take their handle off so that they can deal with clogging issues without delay. For airbrushing t-shirts, sweatshirts, denim and other natural fibers you first need to wash the material. By washing the material you will remove any loose fibers. Also washing the material will take care of any shrinking prior to placing your airbrush art design on to the material. So make sure that you have washed and fully dried your material before you begin. Or is it still just the application of makeup that just happens to use an airbrush? When looking at what airbrushing does when used to apply makeup, a lot of people do believe that this is a form of airbrush art. When make up is airbrushed on the effects of what it does to the subject can be really drastic. 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.