Black Secret Technique

could refer to one of several techniques used by Kankurō and his puppets:
 * Black Secret Technique Machine One Shot, used by Kankurō while using Black Ant and Crow.
 * Black Secret Technique Machine Two Shot, used by Kankurō while using only Black Ant.
 * Black Secret Technique: Machine Triple Shot, used by Kankurō while using two Black Ants and Crow.
 * Black Secret Technique: Salamander, used by Kankurō while using Salamander.
 * Black Secret Technique Manipulated Flame Scorpion Play, used by Kankurō in video games while using Scorpion.
 * Black Secret Technique: Three Great Tragedies, used by Kankurō in video games while using Crow, Black Ant and Salamander.
 * Black Secret Technique Revolving Flame Arson, used by Kankurō in video games while using Salamander.
 * Black Secret Technique Flame Filling Flower, used by Kankurō in video games while using Salamander.