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| This is a very common way knives lock in the open position. They are also called Lock-Backs. This lock acts as a spring and it rides on the back arc of the blade as it rotates open and closed. To open the knife, grasp the blade with two fingers, or use a finger nail to slide into the nail-nick if provided and slowly rotate the knife open until it clicks. Now it is locked in the open position. To close, as the illustration shows, press down on the lock with your thumb and with the other hand carefully close the blade back into the handle. |
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