After making a really difficult and almost completely useless chopstick creation https://www.instructables.com/id/Mad-Chopstick-Burr/
which requires a huge amount of bits and bobs - so here is a simple and easy trick that you can make in any restaurant / takeaway that gives free chopsticks in a little paper sleeve.
Many beginners struggle to use chopsticks - this can be more easy if there is a hinge/spacer to keep the chopsticks in the correct alignment and separation. These can be made with the paper sleeve that the chopsticks come wrapped in - my Instructable
uses a simple piece of paper because I don't have any freebie chopsticks