Boss SL-2 Slicer Percussive Groove Effect PedalThe BOSS Slicer effect was ahead of its time, creating new and inventive ways to integrate your guitar playing into any type of music. For the first time, BOSS Slicer technology is available in the compact pedal form factor. The BOSS SL 2 Slicer can cut and chop your signal in ways never before thought imaginable, essentially allowing your guitar to become a groove machine. The unit comes loaded with 88 patterns to start and users can access loads