Mooer Shim Verb Digital Reverb Effect Pedal Bundle w/2 Free 6" Patch Cables Includes 2 Cables! 3 Reverb Modes: Room, Spring, Shimmer Room: Different sized true acoustics reverb, from room to hall. Spring: Simulates a classic spring reverberation, vintage 60's Surfing sound. Shimmer: Add rich overtone into the reverb sound, spacy, smooth and shining, very popular in Post Rock music