Weight: 42g Raw Stone: Jade Blowhole 1, Finger Hole 1, Suspension Hole 1 Processing emphasizes ease of blowing. This is a stone flute with a very pleasant feel and a mysterious color. How to Blow: First, close the finger hole with your index finger for a low sound. Gradually opening it will raise the pitch, and opening it fully will produce a high note, requiring more breath. Blow into the mouthpiece at an angle. Please refer to YouTube, etc., for blowing instructions.