A good goalkeeper mantra has three parts, Warriner says: a reference to your strengths, a physical anchor such as gripping the stick or feeling your feet on the floor, and something calming. Counterintuitively, she finds most goalkeepers are more at risk of being over-pumped than flat, so a line that recalls why they play the game often produces cleaner, more clinical focus than a hype phrase. Watch the full masterclass: Confidence: a choice and a skill.