Introducing the Acme 636 Slimline tornado whistleThe Acme Slimline tornado whistle is small, flat and lightweight, making it extremely portable and easy to travel with. Whether it’s to call a dog, to use during a school sports event or to take with you on a hiking trip, this little whistle will make sure you are heard.Built using high-quality materials, this durable whistle can be attached to your lanyard or keyring using the metal ring, so you can easily carry it wherever you go.Hand made in the UKTo this day Acme whistles are manufactured in Birmingham using the original techniques and machinery from the 1800s. Outstanding craftsmanship and strict quality testing ensure every whistle is of the highest standard.Sound SampleChamberlain Music · PP185 Acme Slimline tornado whistle