This video was shot at Sipat Lawin HQ in Quezon City in Manila. The Technical Director of Sipat, Ninya Bedruz uses her secret recipe for stage blood to make up blood packs like those used in Battlia Royale and Kids Killing Kids.

These squibs are hidden in the actors clothes and on their bodies and when they perform a fight scene they have to apply pressure to them and make them burst. 

The mixture is poured into popsicle tubes and take away bags, different consistencies of mixture used depending on what kind of effect (splatter, run etc) is desired. 

For those playing at home, make sure you leave plenty of air in the packs so that they burst easily. 

making blood packs