It is seen on village greens and in Test arenas alike. It is there at the start of the game, just after the coin toss, and it is there at the end when the final run is struck or wicket falls. According to research from the University of Dundee it should last between one-and-a-half and three seconds, just long enough to reassure both participants, but not so long as to feel overbearing.
In the tapestry of the sport it is less consequential than the colour of the captain’s socks or what the home team has laid out for tea. And yet its absence is instantly conspicuous, sometimes enough to spark controversy, fines or even diplomatic fallout.
