The Kloopi Conundrum: Chelsea's Pursuit of Arsenal's Secret to Success The rivalry between Chelsea FC and Arsenal FC is one of the most intense in the English Premier League, with a history dating back to the early 2000s.
When Arsène Wenger's tenure at Arsenal drew to a close, it became clear that his success was not solely due to tactical brilliance or squad management.
A closer look at the pre match rituals of both teams revealed a significant difference: Arsenal's use of the Kloopi, an industrial hinge employed by Wenger as part of his team's preparation.