Ernie Ball John Petrucci Signature Guitar Fretwrap By Gruv Gear starter-kit From classic octave doubling to

From classic octave doubling to bold new sonic frontiers

making it easily portable for musicians on the move

loopback and USB source selection

threaded for use with the included 6

Ernie Ball John Petrucci Signature Guitar Fretwrap By Gruv Gear starter-kit From classic octave doubling toClean up your tone instantly with the Gruv Gear FretWrap SM, John Petrucci's own signature string dampener. The Gruv Gear FretWrap is a wearable string dampener designed to eliminate unwanted overtones and sympathetic resonance, giving guitarists and bassists a cleaner, more controlled sound without touching a single control on the instrument. Fit And Application This SM size is built for 4 string basses, 6 string electric and acoustic guitars, and