A post was made by riverdancer about not being able to get certain materials anymore. This made me think about some material I just picked up at an auction. IT is a dubbing and all it says is Mel's tubin times dubbin. And I believe it says "spectrumized" on it. Has anyone heard of this dubbing ? IT is pretty cool multicolored stuff. Anyone have any patterns using it?

What other materials do people have that are no longer available? Were there specific patterns that you tied with that material and have not found a good substitute?