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1.
A dubious technique, often from video games or movies, said to have been ACTUALLY used by Russian special forces.
Wikipedia: A possible example of actual use of two guns firing at the same time is "Dual wield", practiced by Russian special forces.

Bob: Hey, did you know the Russians had an actual Spetznaz technique called "double jump"?
Al: I don't think so, Bob.
by the So Fine January 22, 2011