Jiu Jitsu can be highly recommended to children who lack self confidence , as it is a sport that concentrates on ground grappling techniques .
Lock holds , in which you can immobilize an opponent much bigger than yourself .
Jiu Jitsu can be highly recommended to children who lack self confidence , as it is a sport that concentrates on ground grappling techniques , and lock holds , in which you can immobilize an opponent much bigger than yourself .