Metal coach whistle

Whistle, metal, coach, referee, sports, official, loud, sound, signal, warning, brass, nickel, chrome, steel, stainless, survival, emergency, safety, police, security, training, dog, pet, marine, boating, hiking, camping, outdoors, equipment, accessory, classic, vintage, durable, reliable, keyring, chain, lanyard, pea, sonic, tone, athletic.