Caroline Guitar Company Arigato Phaser Vibrato Effect Pedal - UsedThe Arigato by Caroline is a unique phaser vibrato modulation effect. The top left knob is the mix control, allowing you to use a fully wet signal, or blend to taste. the "Aim" knob controls the intensity of the effect. The "Recycle" knob feeds the signal back into itself for more dramatic effects. There is a speed knob to adjust the rate of the modulation. You can also change the wave shape of the LFO with a switch, and another switch lets you change