Fairfield Special KFM Shallow Water K-Field Modulator Effect PedalNote: due to the unique hand burned nature of each enclosure, each unit will vary in appearance from the pictured pedal! Dive deep into the aquatic allure of the Fairfield Special KFM Shallow Water pedal, a sound modulator that stands apart from the pack. Unlike your conventional analog chorus vibrato, this k field modulator has a unique charm, driven by its ingenious modulation and response mechanism. When activated, it paints the soundscape with an