Possible Clues:

• Belfry locales
• They showed chasers the way to jump
• Church toppers
• Church towers
• Places for bells
• Get Leslie soaked to get him high over the church
• The point of them is that they've got up and over the church
• Pete less agile but Jack can climb them
• Most inclined for Leslie to be High Church
• Very inclined to get high in the Church is Leslie