If the head of the screw to give with the help of nalilsya the form shown in the figure, then any attacker will not be able to turn. On such hardware it is recommended to set sensible things sailing and motor boats, hook locks.
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The usual tip is a spatula she is hidden by a rubber tube. This sheath not only protects the working tip of a screwdriver, but pockets. Pulled the head of the screw, it will screw it in...
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In the decades after the civil war ghosts lucky raiders — armed ships of the southerners was a constant headache to the lords of the British Admiralty. In the event of war with such...
