Try dryer lint, especially after a load of cotton.

Perhaps the best tinder ball I've ever made was by accident. I took a soup can and rubbed the end back and forth on a piece of tablet paper for about a minute or so. When I was done, I had a loose ball of paper lint that was extremely easy to ignite.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)