This is a magic trick that uses a padlock and key for a prediction. The shop price is 5700 yen. There are many magic tricks like this, but the gimmick is new. The difficulty isn't high, but some practice is required. Used in performances 2-3 times. Only those who understand that this is a used item, please purchase. ※The items included are the padlock, key, envelope, prediction card, and online explanation password.