Bottle Gourd
lock key
The key may not come out of the lock due to a misalignment of the key or the lock mechanism, a damaged key or lock, or debris blocking the key's removal.
To unlock a bike lock with a key, simply insert the key into the lock and turn it in the direction that opens the lock. Make sure to use the correct key that matches the lock.
The key may be stuck in the lock due to a misalignment of the key or the lock mechanism, dirt or debris obstructing the keyway, or wear and tear on the key or lock.
A key, or a Combonation
A key lock works by putting a key in and when you turn the key it pushes a loose round piece which releases the lock.
To lock a Schlage keypad lock without a key, simply press the "Schlage" button on the keypad followed by the "Lock" button. This will engage the lock without the need for a physical key.
If the key turns, but the lock doesn't function, then the lock is broken.
To unlock a U-lock with a key, insert the key into the lock cylinder and turn it clockwise until the lock opens. Be sure to keep the key in a safe place for future use.
You don't. By definition a combination lock has no key, and thus there is nothing to "pick." Picking a lock refers to mimicking the role of a key in a lock. A combination lock has no key, and thus cannot be "picked."
If you don't have a spare key, get the lock changed.
lock and key is the lever of second type