Sustainiac Stealth PRO and Sustain-Man Sustainers for electric guitar. Infinite feedback sustain of string vibrations, at any volume. Screaming harmonic fade-ins at the flip of a switch. Transforms a mild-mannered guitar into a turbocharged high-performance machine! Stealth PRO installs into most electric guitars with no routing or drilling. Sustain-Man mounts to the outside of the guitar body and headstock. WARNING: ADDICTIVE!
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