They don't have any backups, such as feedback loop to make sure that food was dispensed and if it wasn't then have a second port dispense food. My friend got on

They don't have any backups, such as feedback loop to make sure that food was dispensed and if it wasn't then have a second port dispense food. My friend got one and sometimes the food falls into the dispenser in a way that it creates a supported arch so it blocks the food from actually entering the dispensing channel.