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Amazon.com : Coghlan's Four-Function Whistle : Camping Compasses : Sports & Outdoors
Amazon.com : Boundless Voyage Titanium Whistle Emergency Survival Safety Whistles with Lanyard Loud for Outdoor Camping Hiking Coaches Training Sports Keychain Whistle (1 PCS - Ti9015) : Sports & Outdoors
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Amazon.com: 5 Pack Whistles Emergency, Shrill Loud Kayak Safety Whistle with Reflective Lanyard for Outdoor Climbing Hiking Camping Fishing Boating Boat Life Jacket Water Survival Rescue Signaling (5 Color) : Sports & Outdoors
Amazon.com : HEIMDALL Emergency Survival Whistle with Lanyard (2 Pack) for Safety Boating Camping Hiking Hunting Rescue Signaling (Blue, Purple). : Sports & Outdoors
Amazon.com : Set of 12 Extra Loud Whistles for Camping Hiking Hunting Outdoors Sports and Emergency Situations, Sturdy but Light Aluminium Key Chain Signals : Sports & Outdoors
Amazon.com : CSGTSWGS 7-in-1 Safety Whistle (2 PCS) Emergency Whistles Hiking Essentials, Outdoor Multifunctional Tools Survival Whistle and a Mini Flashlight for Camping Climbing Hiking Exploring Hunting Fishing : Sports & Outdoors
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Amazon.com : Noopel Coaches Whistle with Lanyard and Mouth Grip, 2 Pack Emergency Whistles, Loud for Referees Sports Officials Hiking Outdoor Camping Boating Hunting Survival Rescue (Gray+Siver) : Sports & Outdoors
