Robotic Guitar Tuner Edit

Motorized String Master
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This gizmo combines an eletronic tuner with a motor to automate the tuning of your instrument. You actually place the tool over each tuning knob, pluck the string, and the string Master tightens or loosens the knob until it is in perfect pitch. There is no guess work, here. Now, the tone-deaf of the world can rock out.(STRING MASTER)