Zigzag Side of Bobby Pin
Even if you’ve never used a bobby pin (looking at you, gentlemen), you’ve surely noticed that one side is straight and one side is kind of wavy. Usually, the side with the zigzag pattern is facing toward the scalp, so we don’t see it. Of course, it might look a little cooler that way. However, the wavy side is what helps keep the pin in place all day by helping to catch the big clump of hair. That’s why you only see the wavy side when the bobby pin isn’t in use.
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