In the words of Old Blood Noise Endeavors:

Inspired by the unique complexities of running modulations in parallel, Old Blood Noise Endeavors unveils the Visitor Parallel Multi-Modulator. With three different primary modulation options (tremolo, chorus, and phaser) and two parallel secondary modulation options (tremolo and chorus), Visitor immediately inspires new sounds in a single pedal format. Further strangeness occurs with the delay offset of the secondary modulation and the interaction of the secondary rate and the primary depth.