, Sarah Jeffery has continued to use the Bernolin Alto in her videos and even talks about that very fact in her latest YouTube video:
So you might take a look.
It’s clear that she really likes this instrument.
As far as I know, Bernolin and Coolsma are the only hand made “plastic” recorders on the market. In my opinion, this kind of instruments should be more common, because they offer professional quality with greater durability at a reasonable price (at least the Bernolin, the Coolsma is actually overpriced).