PTK has been adopted as one of the preferred combative training programs by several elite military and law enforcement units around the world.

Pekiti-Tirsia's movements are based on the traditional blade art of arnis, which involves slicing swords in a circular motion, symbolic of the orbits of the moon and the planets.

In ancient times, Kali was taught in rituals that were then used pragmatically to survive against adversaries and wild animals.

[better source needed][1] The Visayan datus established a state in Kalibo, Aklan — this is sometimes cited as the origin of the name "Kali".

[citation needed][1] Pekiti-Tirsia Kali specifically was a family system that goes back at least four generations, starting with Norberto Tortal.

and Rommel Tortal in the Philippines, Timothy D. Waid in the United States, Philip Gelinas in Canada, and Uli Weidle in Europe.

Pekiti-Tirsia is about quartering the opponent, or 'cutting up into little pieces', emphasizing destruction with counter offence while not getting hit.

Combining the Contra Tirsia Dubla Doz and Tri-V Formula that will lead to Capsula Methodica.