If you are doing a stencil for say a dog then you would want to take your time and make sure that the eyes were the same size, the nostrils were cut out shaped the way they should be and so on. If you rush you could end up messing your stencil all up. The stencil is to aid you in creating your airbrush art and is a big part of the art process. Many artist are making a name for themselves with custom airbrushing art onto automobiles and motorcycles. The cost for this art is expensive and you can cut your costs down by learning how to do it yourself. Also by doing it yourself you have more of a say in how it will turn out. As you can see airbrush art can fit for anyone's tastes and needs. 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. So to take care of your airbrush make sure that when you are not using your airbrush that you replace the needle cap back onto it. This will give a little protection to the needle itself should the airbrush happen to fall. Don't worry though it is not hard to replace these parts should there be any damage. 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. If you are just now looking into learning airbrush art then Airbrush by Parramon's Team is your best bet to start with. The book explains all about airbrushes and the uses of airbrushes. Instructions are also included in the book on how to use each airbrush. So someone who has no real prior knowledge this book will help you understand the airbrushes that you will be using when creating airbrushed artwork. These tattoos can be applied to any part of the body and last longer than most temporary tattoos. An airbrushed tattoo will last for 7 days unlike other temporary tattoo that start to come off when you are bathing. It takes time or baby oil to remove an airbrushed tattoo. Tattoos that are done with airbrush art look realistic compared to other temporary tattoos.