When you take it apart to clean soak it in a commercial grade cleaner overnight. 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. While under the supervision of an expert you can quickly learn where you are making some mistakes with your work. Expert instructors include Peter West and Pamela Shanteau who hold classes at the Learning and Product Expo: Art for beginners through to advanced. AirBrush Action offers their Airbrush Getaway Workshops that run from a one day class to four day classes and are located in Las Vegas, Nevada. The 1960s brought us even closer to what we now know we can do with airbrushing. Airbrush art in the 1960s made its way into the music world. Album covers were done using airbrush art to create the whole hippy style images. The wild psychedelic artwork that was popular with that era were done thanks to the use of airbrushing. The side feed has a cup that mounts on the side. Since the side feed can be rotated the artist can airbrush either horizontal or vertical. Fine detail can be obtained with the side feed the same as the gravity feed. The advantage of the side feed is that unlike the gravity feed you do not have a cup mounted to where your vision is being obscured while you are creating airbrush art. The publication is subscription based and can be obtain with a one year or a two year subscription. This is a good one if you are just wanting to gain more knowledge on airbrushing techniques whether you airbrush as a hobby or you do it professionally. The wide array of surfaces that Airbrush Technique Magazine covers includes but not limited to t-shirts ,canvas, the body, autos, motorcycles and so much more. You can take airbrushing and create a beautiful mural on a concrete wall to turn that once bland wall into a work of art worthy of some attention. While you can do this by hand the time factor makes airbrushing a better choice. 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.