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.
Recommend to read
CELLAR ON THE BALCONY: A POSSIBLE VARIANT
Long-term storage of fresh vegetables and fruits — the whole problem, especially in urban environments. Having carefully studied the publications of minigranules ("M-K" No. 2, 1984,...
ELECTRIC CAR WITHOUT BATTERY…
When I hear the word "dubbed", it is a sun-drenched Playground, dry asphalt paths, summer-dressed children... unfortunately, autumn, winter and spring avtogorodok contraindicated. What...
