Tell me more about King Congas

To keep from hijacking this thread. viewtopic.php?f=14&t=5893&p=60267#p60267
So what's the story on these drums. What were they made of. What was the idea behind their unique hardware. Etc.
I have to watch myself on the threadjacking thing. A friend and I use to do it all the time on a local music forum. We'd usually go off on some personal conversation in the middle of someones thread. Something with pictures of dogs or farm tractors that would be completely non-sequitur. To our credit, we would usually do this to some I'm winning the internets argument, that had already repeated itself three times.
So what's the story on these drums. What were they made of. What was the idea behind their unique hardware. Etc.
I have to watch myself on the threadjacking thing. A friend and I use to do it all the time on a local music forum. We'd usually go off on some personal conversation in the middle of someones thread. Something with pictures of dogs or farm tractors that would be completely non-sequitur. To our credit, we would usually do this to some I'm winning the internets argument, that had already repeated itself three times.