John Mac talks SAS hand to hand combat Goshinkwai

SAS vet John Mac goes through the Goshinkwai system as trained with by the SAS and outlines it's advantages.

• #entertainment
• #sas
• #hand
• #to
• #combat
• #goshinkwai
• #totalbodydefence
• #self
• #defence
• #martial
• #arts