The Old Blood Noise Endeavors Procession Reverb offers a multitude of modulated reverb effects in one compact pedal. It features controls for Speed, Depth, Mix, and Reverb, as well as a switch between Flanger, Filter, or Tremolo modulation. In addition to the Bypass footswitch, the Procession Reverb also features a Hold momentary footswitch that sustains the last played note for as long as the footswitch is held down.