Amazon.com: ToneRite 3G Guitar | Accelerate Your Instruments' Play-In Process | Improve Your Instruments Resonance, Balance, and Range : Musical Instruments
ToneRite Guitar 3G (220V) - DjangoBooks.com
How to break in your guitar with the ToneRite 3G - YouTube
PrimeVibe / ToneRite Combo - The Unofficial Martin Guitar Forum