Everyone is talking about Six-Of-The-Best and how best to allow the delinquent to savour them.
What happened when there were multiple delinquents ?
How much time would the headmaster need to make them happy ?
Would 5 minutes per delinquent be enough ? (preparation, caning, dismissal)
Would he get payed overtime ? (12 delinquents would mean 1 hour, one way to earn money

)