Allow rental of one crab for every crab owned - Do not allow rental unless the player owns crabs - Simple user interface similar to original tavern - Rentals last for at least one day, maximum one week - Rentals can be used to mine, loot, or battle in arena - Rentals can be fed, but not modified in any other way - Rentals cannot be banned - Crabs then have the very attractive option of passive earning once again