Umm Flicker your wrist as your side arm moves ... Just think of it as you playing catch with a Frisbee.
You'll need to stick your thumb out, thumbs up style, and make a peace sign with your index and middle finger, making sure your palm is facing the sky. These are the three fingers you'll need....
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I know this isn't much, but you should try telling her that she should at least get to know them better before asking. I'll add more stuff, but i have to go at the moment.
