Cook the rice so that it's fluffy and not too sticky.
Finely chop the carrot, pickled radish, and ham.
Stir-fry the ham and carrot in a heated pan.
Add the stir-fried ingredients, finely chopped pickled radish, salt, and sesame oil to the rice and mix well.
Shape the rice mixture into bite-sized balls.
Coat the outside of the rice balls with seaweed flakes.