Adding keys to existing flutes

There was a thread about 6 months ago that mentioned a flute maker that advertised adding keys to flutes made by other people. Does anyone know who that flute maker is?

Thanks, Nelson

after -market keys

Flutemakers who’ll add post-mounted keys to a keyless flute?

that’s all I could turn up in the last two years

g’luck

Maurice Reviol will do it and does lovely work.

Doc