Patent ID: 8618389

Claim:
A tuning apparatus for a musical instrument comprising an elongated neck comprising a front surface over which a plurality of strings is stretched, comprising: a clamp which is adapted to removably attach to a desired longitudinal position on the neck; and a plurality of string-contacting members, wherein, each of the string-contacting members is rotatably supported by the clamp, each of the string-contacting members is adapted to rotate on the clamp independently of the other string-contacting members, said rotation occurring along a plane which is substantially parallel to either a given string or course of strings, and each of the string-contacting members is further adapted to adjustably impinge upon and urge the given string or course of strings toward a user-selectable one of three different longitudinal positions on the front surface of the neck, said positions comprising a home position, a homeâˆ’1 position which is closer to a headstock end of the neck than the home position, and a home+1 position which is farther from the headstock end of the neck than the home position.