Radiohead

[J.G. Wong]

Apparently, as you step on the bag and displace the powdered graphite
the resistance decreases and the volume goes up.  neat but messy.  An
amazing instrument for it's time.

Gino Wong

Rory McDonald wrote:
> 
> >>I wonder if he was using the leather bag filled with graphite for volume
> control.
> 
> Now THERE's one I never heard of- how does that work exactly?
> I understand that graphite is being used as the resistive material...
> 
> -Rory McDonald