Beyond that, this coaching whistle is also an ideal choice for boat whistle, soccer whistle, and lifeguard whistle. Loud Whistles – This coach whistle produces a loud, high-frequency sound that travels far.

Beyond that, this coaching whistle is also an ideal choice for boat whistle, soccer whistle, and lifeguard whistle. Loud Whistles – This coach whistle produces a loud, high-frequency sound that travels far.