Thank you for viewing. RED WITCH Deluxe Moon Phaser Phaser effect pedal. The rightmost knob is a 6-position switch, allowing you to switch between: - 3 types of phaser - 1 type of tremolo - 2 types of phaser/tremolo (Uni Vibe) It was rated as the best phaser pedal on Guitar Tone Talk and was selected as one of Guitarist Magazine's 101 best effectors. Used by Andy Summers and winner of various awards, this is a classic analog phaser and the origin of Red Witch. Please refrain from purchasing if you are sensitive to used items. Search terms: MXR Small Stone electro harmonix Phase90 Phase100 Shin-ei Uni Vibe Uni-Vibe