The seed bearing pods or the seeds themselves of a plant.
Performance
Form a circle with pointer finger and thumb, other fingers remain in a fist. Extend the pointer finger of your other hand so that is points sideways in front of your body. Slide the finger tips of circle along the extended pointer finger and hand.
Hint
Beans are long and thin.
Context for Auslan
More common signed sliding towards knuckle, but also like in video