This tutorial was contributed to the Guide by the great Vonschlippe! You can check out some of his builds on imgur or catch him helping others on r/Gunpla. If you see him around please give him your thanks let him know what you think of the tutorial. - Falldog
Hairspray chipping is already somewhat complex on its own, but with experience it may be combined or improved upon to create some rather elaborate effects.
Decanting is the process of removing paint from a spray can so that you can use it in an airbrush (or possibly with one of those old fashioned regular brushes I’ve been hearing about). Depending on the manufacturer the colour of paint you have in a spray can may not be available in other forms. Or you’re looking to get a thinner, more precise paint job than a spray can can usually offer. That’s where decanting comes into play. It can be a bit messy, but if you follow some simple steps, you’ll be off and running in no time.