It is traditional titbits at the table where vodka is served.
Russian eat all this products for a taste. It means that after drinking vodka first of all they eat snacks and then continue their dinner by eating main dishes such as popatoes, meat, fish and differents salads.
As a customary Russians drink vodka only in the evening and during different parties. But sometimes they can drink some vodka for dinner or lunch. It is good to drink 50 gramms of vodka before you start eating traditional Russian red-beet soup. This combination is warms and relaxes you.