By 1967, British and Italian manufacturers had standardized a now-iconic steering head lock. Often sourced from suppliers like Neiman (on Ducatis) or Villiers (on Triumphs), the lock was a simple wafer-tumbler mechanism mounted through the lower triple tree. When engaged, a hardened steel bolt shot forward into a notch on the frame neck, locking the forks to the left.
: Used to hide or bypass iCloud activation on A12+ chip models and earlier. Passcode/MDM Bypass
This bypass will allow you to ride off with the sidestand down (leading to a high-side crash when you lean left) or start the bike in gear without the clutch (leading to a lurch into a wall or pedestrian).