2. If you put it in a store or business place, you can put it on the cashier's desk, or put a special financial position to place the Myth Hall, so that the head of the Myth Hall faces outside the store and the tail faces inside.
3. When placing cockroaches, don't be too high or too low. Can not be placed directly on the ground, nor can it be higher than the owner's head. If it is too high, you can't see the master.
4. If a pair of cockroaches are placed, they can be placed in a figure of eight or in parallel.