[Shadow5YA]

Originally Posted by HayashiTakara

Sure you can, there are parts of the body that no matter how hard u train you cannot strengthen. i.e. The center of the throat, the eyes, the crotch, the tendons that holds your joints together, the solaplex, the nose, ears, mouth, the pinky, base of tailbone, top of the foot, shins.

You can be trained to protect those areas. There's a Muay Thai instructor I know who knew how to retract his balls on will. He told one of his students to kick him and it did no damage.