What Does the Middle Pedal on a Piano Do? The Four Possible Functions
My DIY e-drum: off-set style symmetrical “middle” pedal | by Paolo Pustorino | Medium
Off Set/Middle Bass Drum Pedals? | [DFO] Drum Forum
SONOR Giant Step Middle Pedal | Guitar Center
Amazon.com: JOYO Metal Distortion Pedal with 3 Band EQ and Low-Mid-High Gain Boost for Electric Guitar Effect - Bypass (Extreme Metal JF-17) : Musical Instruments