When I was in the Philippines, many Taekwondo jins like sewing on their Dobok (Taekwondo uniform) a patch of the flag of the Philippines. Mainly not part of the Philippine pride, but had a psychological advantage knowing that the Philippine National Team was feared since they are really good. Have a Philippine Flag Patch on their uniform is like instilling fear in the opponent giving them a notion that you are comparable with the caliber of skills the national team has since most of the time they have the patch of the flag of the Philippines sewed on to their uniforms as they compete often internationally.
Today I am in the US, and I guess every Taekwondo jin (practitioner) from the Philippines will agree that it is really different here in the US compared to the Philippines. And some people know that, where the Philippine flag can do you good again doing the same psych war. LOL. Anyway, if you are looking for a Philippines Flag Patch , I found mine online.