Рет қаралды 56,264
Let us show you the way of whistle cleaning when sound become hoarse or diminished.Here is an image of normal sound.
www.molten.co.jp/sports/en/equ...
ホイッスルのお手入れ。音がかすれたり、小さくなった場合の洗浄方法を紹介します。
正常な音のイメージはこちら www.molten.co.jp/sports/jp/equ...