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Hypnotic music from the Middle East pulsates through the room. Hips covered in sparkly skirts sway to the beat. Naked shoulders move up, then down, caressing the air. Arms gracefully flow in and out ...

Have you ever thought about getting a belly button tattoo? If the answer is no, you're not alone: it's not exactly the most common place to get inked, but that doesn't mean you shouldn't consider it.