Boss SL-2 Slicer Audio Pattern Processor PedalBOSS calls the SL 2 Slicer an Audio Pattern Processor pedal, but the truth is that this little box simply defies categorization! The SL 2 packs the power of BOSS original SL 20 pedal into a much more pedalboard friendly form factor, allowing you to chop, screw, and twist your signal into complex rhythms and percussive grooves. There are 11 distinctive rhythms at your disposal, and the tempo can be set either by the control knob or by activating the