Is an Old School Biker Whip Illegal in the State of California? What weapons are banned in California?

*** 10/24/2008 Update I have heard of a case out of Hollister, California where a prosecutor is trying to convict someone of sales and possession of an illegal weapon, i.e. a Biker Getback Whip. The Prosecutor is claiming that the Getback Whip is a Slungshot and...