DO: Pick up sushi with your chopsticks (hashi).
DON'T: Skewer your sushi with chopsticks.
DO: Pick up your sushi with your fingers.
If you don't know how to use chopsticks, you can learn!
DO: Place your chopsticks on a ceramic rest.
DON'T: Rub your chopsticks together to remove splinters.
DO: Use the back ends of your chopsticks when taking food from a shared plate.
DON'T: Point either end of your chopsticks at another person.
DO: Dip the fish side of the sushi into soy sauce.
DON'T: Dip the rice side.
DO: Use wasabi sparingly, for similar reasons.
DON'T: Make a soup out of wasabi and soy sauce.
DO: Eat sushi in one bite.
DON'T: Put ginger on sushi before eating it.
DO: Preserve the beauty of the sushi.
Keep that in mind and your sushi experience will be the best experience.