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This Hair Accessory Can Act Like a Panic Button

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This story appears in the July 2014 issue of Entrepreneur. Subscribe »

Entrepreneurs: Rachel Emanuele and husband Arthur founded First Sign Technologies, a Scottsdale, Ariz.-based line of safety products. The company is launching with a hair clip that contains a mechanism capable of detecting sudden movements that may indicate that an assault or attack is taking place.

"Aha" moment: One dark night, Emanuele had an uneasy feeling when she arrived home. "The lights were out, and it was pitch-black outside," she says. "I realized then that our home security system protected only our house, not me coming home alone and facing a potential intruder."

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