Gracie/Brazilian Jiu-Jitsu is a famous form of self-defense that was created and developed by the Grandmasters Carlos and Helio Gracie. It does no rely on physical strength and power. Using techniques of strikes, holds, locks, chokes, throws, and evasions, it employs mechanics though leverage and knowledge of human anatomy to overcome any attacker with minimal effort and strength. Jiu-Jitsu teaches self-confidence, improves self-esteem, relieves stress, and increases the ability to focus.