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Crime rates in our world keep increasing these few years, sometime we might need something to protect ourselves before we can seek help from police, and this is the reason for us to design this self-defense necklace. This necklace is small and light. The volume holes at both side of the necklace to detect the word that user shout out, for example : HELP and ring as warning alarm. There is a pepper spray hole at the bottom part of the necklace. When users touch the round surface in the middle of the necklace, it will directly inform the nearest police station about your location.
Chin Wen Kow,