Peluit Wasit Molten Dual Tone WDTWBK (Black)
=== 100% ORIGINAL MOLTEN PRODUCT ===
Product name : Dual tone
Product number : WDTWBK
Made in Japan
Volley, Basket, Soccer
Loudness: 108dB (1m)
With rope (2 adjustment rings)
You can switch the tone by expanding and contracting the main body.
Since it is designed to make a loud sound, the sound may be faint when it is blown lightly.