Living in California is no excuse for not knowing how to glide gracefully across the ice especially when there are free classes every Saturday and Sunday morning starting at 8:30am in the Safeway Holiday Rink at Union Square. The lessons last 30 minutes plus an additional thirty minutes to test your new skills. Oh, and the skate rental is free, too, thanks to Kaiser Permanente. From now to January 14. Skating fees are normally $13-$25.