A blacksmith has many apprentices working for him, and as a reoccurring game, every so week one of them succeeds at forging a key to let loose his pet monkey. The monkey goes wild, throwing stuff and breaking things until the blacksmith finally recages him and puts on a different lock. The ordeal has become costly. The blacksmith scolds the apprintices and makes them do the monkey catching, and puts them to extra work. The apprentices do find the extra work bothersome, yet they continue to pick the locks, releasing the monkey. The blacksmith is at his wit's end. He makes more and more complex locks, but everytime, one of his apprentices succeeds in solving it. The blacksmith asks for your advice. What should he do? He doesn't want to sell his pet monkey, nor does he have another place for it to stay.

Our blacksmith's predicament with his mischievous apprentices and their lock-picking antics reveals a fundamental aspect of human behavior: the pursuit of challenge and mastery. The apprentices aren't necessarily aiming to cause trouble; rather, they are motivated by the intellectual puzzle of the lock and the bragging rights that come with successfully solving it. Each increasingly complex lock merely serves to heighten the stakes and make the eventual triumph more satisfying, creating a vicious cycle for the blacksmith.

To break this cycle, one must remove the very incentive driving the apprentices. By simply leaving the key readily available, the act of releasing the monkey loses all its challenge and, crucially, all its prestige. There is no skill involved, no puzzle to solve, and therefore no bragging rights to be earned. Instead, anyone who releases the monkey would now be seen as merely causing extra work for everyone, stripping away the competitive game and replacing it with collective annoyance. This subtle shift in the incentive structure effectively disarms the apprentices' desire to continue the "game."

Another clever approach, especially if the forging of a new key requires a substantial amount of time, involves a tactic similar to modern cryptographic security. Just as digital keys are frequently rotated to prevent unauthorized access, the blacksmith, with his ample supply of materials, could continually change the lock on the cage. If the lock is replaced more frequently than the apprentices can successfully decipher and forge a key for it, the perpetual challenge becomes an unattainable moving target. This constant resetting of the "game" would prevent them from ever achieving the satisfaction of mastery, eventually diminishing their drive to participate.