How Do I Open the Food Flask Condiment Compartment?

You can open the condiment compartment by twisting the top part of the inner lid.

The lid has a thread so it will not undo if it is pulled.

You can find a demonstration of this here: https://www.tiktok.com/@shoreusable/video/7210460975282015493?is_from_webapp=1&sender_device=pc&web_id=7130174421293565445