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Amazon.com : Set of 105 Aluminum Emergency Whistle with Keychain Safety Survival Whistle Sturdy Light Whistle Keychain Whistle Key Ring Loud Sound Camping Whistles for Women Defense Hiking Alarm, 7 Colors :
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Amazon.com : Shoreline Marine Flat Safety Whistle : Boating Safety Harnesses : Sports & Outdoors
Amazon.com : Fox FO19103-BRK Pearl Safety Whistle, One Size : Coach And Referee Whistles : Sports & Outdoors
Amazon.com : AUGSUN 10 Pcs Safety Whistle Marine Whistle Plastic Whistles with Lanyard for Emergency (Orange) : Sports & Outdoors
