Glitch: Duplicate items: Go to a village with a bank building with less than
5 Ryou. Go to the bank and try to deposit the item to be duplicated.
Because you have less than the amount required to pay for the
deposit, you will be stopped. Repeatedly press A and the
same message will appear. Each the message appears you will get
another copy of that item. Leave the bank and check your inventory
to find the items.