You can heat set by placing a protect cloth between the design and the iron and ironing the design or you can turn the material inside out and place in the dryer on high heat. If the acrylic does not require heat setting on fabrics then you should still protect the design from fading when washed. To do this place the clothing into a sink of cold water and salt and allow to soak. Henna as temporary body art does last for awhile requiring time and lots of exposure to water to fade and disappear. Henna though takes a long time to hand paint onto the body. The bigger the artwork the longer it will take the artist to pain the henna design on. Airbrush art goes on quickly thus saving lots of time compared to henna as well as airbrush art is waterproof. A couple of great features of the video is that you will learn how to truly work with House of Kolors paints and how to work with low air pressures. Learn more about how to do freehand is also a great asset of this video. These are advanced techniques and will take you as an artist to the next level of airbrush art. With this video you can learn about the design and application process, the different types of airbrushes for pin stripping and which brush is right for which job. Learn about choosing paints and other material that you will need. Practice exercises will have you practicing what you see on the video so that you can master your skills. If you purchase the see through folders then you can use these for stencils even if you are limited to tracing your design onto the plastic folder prior to cutting it into a stencil for your airbrush art. No matter what material you go with make sure that you remember to cut out your areas slowly. By taking your time you can make sure that everything matches up the way it should. 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. Thus like the needle you will be unable to create desirable airbrush art. Both the needle, air cap and head assembly can be purchased at almost any craft or hobby shop that sells airbrushes and airbrush parts.