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LEG-GRAB ATTACKS · MASTER OF SPORT
Leg grab into leg lock (the signature)
The signature chain: the same leg you grabbed to take him down is the one you finish.
In these systems
Classical sport lineage
The FIAS mainstream: jacket throws and leg locks under the total-score clock.
Canon: Kharlampiev, Borba Sambo (1940) — standing, lying, and the passages between · FIAS sport rules · Rudman's ground-technique books