Dar es Salaam.
A public cafeteria.
The new immigrants are undergoing a thoroughly challenging lesson.
"Extend your middle finger, bend it slightly, like I'm doing here, see this part above!" Leiden pointed to the first joint of his middle finger with his left hand as he spoke to the European immigrants.
"This part is crucial; it determines your application of this utensil. Now, let's extend the index finger and thumb too.
Watch my actions carefully: first, place the first wooden stick on the ring finger, then the second one on the first joint of the middle finger, and pinch the top with the thumb and index finger.
Be mindful; the pad of the thumb should also press on the first wooden stick. At this point, the first wooden stick remains stationary.