Playing bar for electric stringed musical instruments

Claim 1

A FRET BAR FOR PLAYING AN ELECTRIC STRINGED MUSICAL INSTRUMENT COMPRISING: A HOUSING HAVING MILLED OUT AREAS; A VOLUME CONTROL POTENTIOMETER MOUNTED IN ONE OF SAID MILLED OUT AREAS; A TONE CONTROL POTENTIOMETER MOUNTED IN ONE OF SAID SAID MILLED OUT AREAS; ELECTRICAL CONNECTING WIRES CONNECTED WITH SAID VOLUME AND SAID TONE CONTROL POTENTIOMETERS AND EXITING FROM SAID HOUSING TO BE CONNECTED WITH EXTERNAL DEVICES; A FIRST CONTROL KNOB ON SAID VOLUME CONTROL POTENTIOMETER MOUNTED FIXEDLY THEREON FOR ROTATION OF SAID POTENTIOMETER, SAID CONTROL KNOB PROJECTING FROM SAID HOUSING SO AS TO BE MANIPULABLE WITH ONE FINGER OF A PLAYER HOLDING THE FRET BAR IN HIS HAND; AND A SECOND CONTROL KNOB ON SAID TONE CONTROL POTENTIOMETER, SAID SECOND CONTROL KNOB FIXEDLY MOUNTED ON SAID TONE CONTROL POTENTIOMETER FOR ROTATION THEREOF AND PROJECTING FROM SAID HOUSING SO AS TO BE MANIPULABLE BY ANOTHER FINGER OF THE PLAYER HOLDING THE BAR IN HIS HAND, WHEREBY WHILE PLAYING THE GUITAR AND SLIDING THE FRET BAR ALONG T HE STRINGS ON THE FRET BOARD THEREOF THE TONE AND VOLUME MAY BE ADJUSTED BY MERELY ROTATING SAID FIRST AND SAID SECOND CONTROL KNOBS.