Black Secret Technique

could refer to one of several puppet related techniques:
* Black Secret Technique: Black Iron
* Black Secret Technique Flame Filling Flower
* Black Secret Technique Machine One Shot
* Black Secret Technique Machine Two Shot
* Black Secret Technique — Machine Triple Shot
* Black Secret Technique Manipulated Flame Scorpion Play
* Black Secret Technique Revolving Flame Arson
* Black Secret Technique: Salamander
* Black Secret Technique: Three Great Tragedies
pt-br:Técnica Preta Secreta