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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FROM A SIMPLE — SPRINGY
If you want ordinary "card" loop was samarastroydetal like spring-loaded, easy to upgrade. For this of eyes loop is extracted axial rod, and the reverse installation is put one or two...
THE KEY IS IN THE IGNITION
When working with a power drill often lost the key to her patron. He will always be on hand if you tape it with electrical tape to the cord at a distance of 0.5...0.6 m from the arm. ...
