Possible Clues:

• In case of emergency, put a drain to part of foot
• An easy putt? Check, if need be
• Church's single beer dispenser (just in case of emergency)
• Captain treated by hospital in an emergency
• Source of unofficial holy water in an emergency?
• If necessary, an easy goal by centre-half
• A valve to move slowly if absolutely necessary
• In emergency, use a bugging device and move slowly
• A gentle knock, small measure in case of emergency
• A gimme — check when it's necessary