To elaborate, I'll start with the plain: one of many strongest militaries in the world, the Russian military services, has Sambo as its official fight system. Nevertheless It's also somewhat unrealistic as compared to some Western arts, Kyokushin, much like Shotokan is much more than enough to protect you https://erickjlkub.tkzblog.com/27175264/mma-martial-arts-things-to-know-before-you-buy