... steel, good endurance, novel pattern and high security.2. Using the latest development of hyperbolic blade ... much lower mutual opening rate, which raises the security ability substantially.3. I-shaped key hole, effectively ... handle and push down the clutch pedal, then it locked. (Fig. 2)3. Step on the pedal ... withdraw automatically, get out the lock hook, and then it opened. Brake Lock for cars OKLOCK C3