These are 5-piece flutes with the traditional metal tuning slide. Nickel-plated rings on the body. Flute roll optional. Delrin stopper with rubber O-ring.
Sound & Video Samples:
A reel and a slow air played on Pratten model by fluteplayer and piper, Ciaran Somers (no relation):
Sound Clip on medium-hole, small bore Rudall and Rose model by fluteplayer, Kozo Toyota:
Ciaran Somers (no relation) playing a Somers D Delrin Rudall and Rose Flute Model
Kozo Toyota playing a Somers D Delrin Flute Rudall and Rose: