Based on the context and the answer, generate a question. 

Context: The kids were starving so Katerina made them some Pelemeni ( a kind of Russian ravioli ) & amp ; then we headed off into St Petersburg with Liza as well . Now there were 5 of us in the back so we took a rug that the kids could duck under whenever we spotted a policeman ! It was about an hour 's drive into the centre of the city through crazy Russian traffic , with Alexi shouting " Poleizi ! "

Answer:

The narrator is using it for concealment .



Why would the narrator need to bring a rug along ?