Well, that’s the claim, at least. We’d have to perform clinical trials to verify it before releasing the product to market. The legal department has been very picky about that.​<a href="https://ridiculouslyinteresting.com/2022/01/17/witch-whistle/" class="on">Ridiculously Interesting</a> points us to this heksenfluit. That’s Dutch for witch’s flute. It’s a whistle that, when blown, repulses rats from the area, thus protecting the locale from rat-carried diseases. It’s made from bone and a rat’s paw. If it did work for its owners in Antwerp when it was made in the middle of the Nineteenth Century, it has long lost its effectiveness.-via <a href="https://twitter.com/john_overholt/status/1483156664362708996">John Overholt</a> | Photo: <a href="https://search.mas.be/Details/collect/97142">Museum aan de Stroom</a>#whistle #rat