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From Gimmick to Actual Product: How Aerify Made A Clip On Hat Fan That Doesn't Look Dorky | by William Otey | Medium
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Amazon.com: Klarus HC3 Rechargeable Motion Sensor Cap Visor Light - 100 Lumens COB LED Clip on Hat Light - Headlamp Flashlight with Red Light for Fishing Running Camping Reading : Everything Else
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