Never soak or leave your airbrush exposed to Windex for any real length of time. You should not have to take your airbrush apart every night to clean it, it is alright to only do a complete break down and cleaning once a month. Just make sure you do not go any longer than that. When you take it apart to clean soak it in a commercial grade cleaner overnight. This book will help you learn how to prepare metal surfaces so that you can begin to learn or advance with airbrush art on motorcycles and cars. While the book will teach you some intricate designs do not worry though cause the book, also has some simple projects that you can start with when working with airbrushing motorcycles and cars. The nail art masks are reusable masks that have an adhesive that does not leave any residue on the nails. Of course if you are really creative and very good you can freehand the airbrush art right onto the nails. If not then take the time and invest in nail art stencils and masks. The paint that you will use when doing airbrush art on nails is water based. While an experienced airbrush artist may know this a beginner may not, so it is worth mentioning. When doing airbrush art on skin make sure you are using airbrush paint that is designed for the skin. Usually this will be sold as airbrush body paint or airbrush temporary tattoo ink. These are the only types of airbrush paints that are safe to use on the human skin. Show some pictures of your work and tell your audience how you created that design. Talk about the paints that you use, the types of airbrushes and so on and so forth. By discussing your techniques and sharing your insight you will show your audience that you are an artist that knows what they are doing. One the stencils can start to get expensive purchasing. Secondly you are limited to only creating designs based on the stencils that you can get your hands on. While these stencils can greatly aid you in your airbrush art, they also can hinder your creativity. So the best way to deal with having you use stencils and reduce costs as well as leaving your creativity open is to create your own stencils.