Wpis z mikrobloga

@majkson: u źródła se poczytaj, dosyć popularne rozwiązanie w USA podobno:
https://www.reddit.com/r/pics/comments/68jboj/this_lock_can_be_opened_with_1_lock_no_matter/?utm_content=comments&utm_medium=browse&utm_source=reddit&utm_name=frontpage

I've seen lots of gates locked like this, mostly for access roads. All different types of utility companies need a way in so they each have their own lock.