nux morning star guitar overdrive effect pedal blues-break overdrive with an extra treble touch option,true bypass or buffer bypass nux the morning star lights up all of the classic aspects of a great blues breaker pedal, but we added something stellar to improve the high-frequencies. engage the morning star foot-switch to add more overhead with saturated grit to your clean tones, and if you wanna boost your high-frequencies to a whole other stratosphere, press/hold the foot-switch to activate the shine circuit which adds a whole new level of tone brightness.