Katumbal or siling labuyo is native to the Philippines and it is one of the hottest and smallest peppers!
You can use it to hot up Vinegar or soy sauce or make your own Sinamak.
Katumbal can also be used as a natural pesticide on crops. The fruit, skin, and seeds of siling labuyo are all effective to prevent plants to be invested with ants, aphids, caterpillars, Colorado beetles, and cabbage worms, Also effective to prevent warehouse and storage pests.