Chiff and Fipple Forums

I'm in the market for a new whistle and came across MASC Whistles by Miguel Ángel Sánchez Curiel on Facebook. Has anyone heard of them or had any experience with them? I really like the sound and they're a great price, €90 for a high D, but I want some first hand experience before committing.

Here's the a link to the website - https://mascwhistles.wordpress.com/