The use of toothpicks at a table is another standard practice. As in most Asian countries, the polite way to deal with lodged fragments of food is to cover one's mouth with one hand while the tooth pick is being used with the other. Toothpicks are frequently used between courses as it is believed that the tastes of one course should not be allowed to mar one's enjoyment of the next course.
Toothpicks have another major value.
The handling of rice with chopsticks is also known to present problems, unless the rice has been dampened by juices from main dishes and is therefore more manageable. One chopstick craft which a visitor is not advised to try is the deboning of a fish when its top half has been eaten, without turning it over. The careful separation of the fish skeleton from the lower half of the flesh will usually be performed by the host or a waiter. There are superstitions associated with chopsticks too. If you find an uneven pair at your table setting, it means you are going to miss a boat, plane or train.