| 摘要 |
The Manual Valve Cover Plate for Diatonic harmonica allows for hands-free, foot-free engagement or disengagement of a valve at the player's discretion. Design, enhancement, and operation of the valve are disclosed. The purposes of the valve are to uncomplicate and to make available the processes of standard bending, over bending, and valved bending on one standard diatonic harmonica. Furthermore, such a device will not truncate any traditional diatonic harmonica playing.
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