Was the sustainiac the thing you mounted on the bridge of your guitar that had little rubber toy monster truck looking wheels and kept the strings vibrating physically, the thing that had a criver and a tube like a "voice-box" only attached fully to the headstock of your guitar, or some other kind of device??? can't remember? on 7/12/01 9:01 AM, Michael LaMeyer at email@example.com wrote: > Forsooth! I've never used a sustainiac or a stealth plus, but I > thought I recalled reading a ways back that the magnetically > induced sustain could also be used to generate controllable > feedback, and it was in that context that I queried. Verily.