An essential survival tool from BCB. The Howler Whistle is a simple to use survival whistle, designed to be louder and heard from further away than a traditional "ball type" sports whistles. Perfect for military and cadet use, the BCB Howler Whistle comes with a small split ring, allows you to attach it to a key fob, lanyard or better still the zip of a combat jacket. A good survival whistle is a must own bit of kit and is something you'd rather have and not need, than need and not have.