I am basketball coach and had 15 years a simple whistle from the sporting goods store. Unfortunately, it has come with lost, which is why I need a new one. Actually, I thought with a whistle you can not do much wrong but I am probably wrong. My old pipe had a wooden bead inside. This one has a plastic bead that is also not just about. Certainly looks different than my old one. And the whistle is not nice. Often just comes just a shrill whistle instead of a trill. When the pearl would get caught. So Will the day again go into sports store and buy myself another whistle.