Knife techniques against a group of attackers

hidden strikes in knife fighting

Burst

Russian hand-to-hand combat -Self-defense against a Knife

Maybe

Knife fighting drills "S.P.A.S.", part 2 (Knife fight SPAS)

The Kadochnikov system in action

stoned kukrishamanets

Kung fu masters aren't born that way ...))

CIVILIAN SELF-DEFENSE Russian SPETSNAZ Martial Art Colonel Mikhail Ryabko (Possession of a knife)

Russian combat. A sword encirclement.