SECRET SCREW

SECRET SCREWIf 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

  • ROTARY HARROWROTARY HARROW
    What could be simpler than a rotating roller with teeth! Bumping clods of ploughed soil, he crushes them like a harrow. Peg line Ripper developed members Vorovskogo mug enemskoe school...
  • THE ONLY, BUT POWERFULTHE ONLY, BUT POWERFUL
    In early December 1939, the T-100 with a company other machines arrived at the front and soon participated in the fighting against the white Finns on the "Mannerheim line" in the...