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Summary: Triggers allow you to get more and less paint when airbrushing. Learn how to use an airbrush trigger in this free airbrushing video clip about beginning to airbrush.
"Before, I had you just doing the just simple, just curly Q's and dots and stuff like this, now what we're going to do, we're going to use the trigger. Like I said before, when you pull back on it, you get more paint. You push down, you get air, you don't get any color, you don't get nothing on your hand hopefully. See, okay, I cleaned my brush so I don't have any things, but, you don't get any color whenever you push the air down. But, when you pull back, is when you get your color. So if you watch, I'll try to do this at the side, you're going to see it kind of splatter all over the place, but see there's air, no color. I start to pull it back, the more you pull it back, the more paint you get. So what we're going to do is we're going to do the same curly Q, but at the top we're going to pull back on the trigger a little bit so it gets a little fatter at the top. And this is good for your script lettering, to jazz it up a little more so it doesn't look just like a name. It's a little sloppy, but you see what I'm talking about. The paint's a little excessive right here, but as you get along, you'll be able to do better; you'll get more control of the airbrush. But put this in your practice regiment after you do your curly Q's, your lines and stuff, start practicing with the thicker and thin lines and just have fun with it! Don't let it stress you out. When it clogs up, don't throw it on the ground because then you just spent another $70, $80 or however much you spent on your airbrush. Have fun with it! Thank you."
eHow Article: Controlling Airbrush Triggers