I took a sweater out of the dryer and it was still covered with the animal hair I'd been trying to get off of it by washing it. I had a sudden inspiration and returned it to the dryer with one of those fabric-softener sheets that I never use. It came out completely furless!
Does everyone but me already know this? It was a sweater made out of some kind of acrylic, I don't know if this will work for all kinds of fabric, but I am certainly going to try it.
Of course, after I wore it for ten minutes it was covered with hair again. But hey, it was a beautiful ten minutes.