Whistling is a strong sound that can give a huge boost in sports games. But also in theatre and during services. If you cannot whistle on your fingers an acorn is exactly what you’ll need. I made a modern porcelain acorn, because it works well and it sounds powerful.

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I used porcelain and a leather band. 

The porcelain whistle is for sale for € 20,- excl. sending costs, if you’re interested please send me an email (