Coghlan's Four Function Whistle Review

Coghlan's Four Function Whistle Reviewhttp://is.gd/lJJEq0 Coghlan's Four Function Whistle Equips adventurers with everything they need to explore the outdoors A spring-loaded clip lets hikers attach the Four Function Whistle directly to their belt, lanyard or backpack.Key Features: Whistle. Thermometer. Magnifier. Compass. Spring-loaded clip for attachment to belt or lanyard.