Klugh, forget the baking. Forget paying for a Hook Again treatment. Forget hot water and soap. Get a bucket and a 10# bag of kitty litter. Put tape over all holes in the ball and then put the ball in a bucket. Pour the litter over the ball and let it sit for 3-5 days. It's safe, easy, cheap, and it works wonders. I've been doing it for years now.
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Evolutionary. Revolutionary.