Harmanpreet Singh speaks like a spy on a covert mission. Mindset. Observation. What he’s watching — and how he knows they’re watching him. During the Hockey India League, the India captain closely studies foreign players. Their body-play, angles and little tricks to gain small but decisive advantages. It is not admiration alone. It is analysis. “How can we develop that? When I go back to the national team, how can I show it to my teammates there?” Then there’s Vincent Vanasch. The ‘best goalkeeper in the world’, Harmanpreet, one of the world’s best drag-flickers, says. Training sessions between the JSW Sports Soorma HC teammates aren’t merely that. “What is his mindset, what does he observe?” Harmanpreet wonders. “Or when I am playing against any opponent, how do their keepers observe me?” Because when Harmanpreet stands over a penalty corner, it’s never just about power. It’s psychological warfare. He wants to know how goalkeepers think — so he can think one move ahead. “I try to have good conversations with them so I know how to …