Learn how to let 2 bars overlap each other...
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Step 1 on a new layer, create a black bar of any length;

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Step 2 Go to Filter>Distort>Shear and try to come up with something curvey like mine;

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Step 3 Once ok is pressed, it should look a bit like this;

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Step 4 Duplicate the layer by pressing CTRL+J;

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Step 5 Flip that layer horizontally;

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Step 6 Place the 2 layers on top of each other;

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Step 7 Then select one of them and erase small pieces of it like it's curling over the other bar;

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Step 8 After you've done that, it should look like this;

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Step 9 Open a new layer between both bars and start brushing some black very blurry and lower the opacity;

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Step 10 And this technique can be used in MANY different settings...
