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

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