High Pitch Whistle

high pitch whistle This is a high-pitched whistle redesigned from the general pet training whistle. The structure is simpler than the original, which increases the loudness of the sound and has a simple appearance. In addition to being used as a whistle for pet training, this product can also be used in various competitions and as a help signal in various emergencies, making it suitable for various situations.   Two formats of sling hole positions