Patent ID: 7476793

Claim:
An attachment for a flute comprising: an attachable length of tubing; wherein said length of tubing further comprises a first end to be inserted into a said flute footjoint, wherein a diameter of said first end of said length of tubing is reduced by 0.025 inches from the a diameter of said flute footjoint to which said first end of said length of tubing is to be inserted; wherein said length of tubing further comprises a non-inserted protruding second end, opposite to said first end be inserted into said flute footjoint, wherein said non-inserted protruding second end comprises a major bore diameter substantially equal to said diameter of said flute; wherein said second protruding end comprises a first and second vent which are tangent to the end of the tubing and are indented to allow the end of the existing flute tube to define the length of the waveform without dampening or flattening the pitch; and, wherein said second protruding end comprises a length comprises a final air pressure node produced by playing said flute.