One doorknock at a time: inside the yes campaign’s bid to win hearts and minds

Yes23 volunteers Tom Nash and Allegra Pilati doorknocking on the streets of Oak Park in Melbourne. Photograph: Abigail Varney/The Guardian

In a quiet street in Melbourne’s north, Tom Nash knocks on a door.

It is his first for the morning – Nash and his volunteer buddy Allegra Pilati are nervous. They clutch their clipboards and clear their throats.