<human>:  Is a spice grinder ueseless for the cheapest cinnamon sticks?
<bot>: Yes, a spice grinder is useless for the cheapest cinnamon sticks. Different species of cinnamon require different grinding methods to make the spice. Indonesian cinnamon quills are thick and capable of damaging a spice or coffee grinder. Indonesian cinnamon is the most common and cheapest cinnamon in the USA, so a spice grinder is useless for the cheapest cinnamon sticks.