In ancient Japan, the house was guarded by squeaking floorboards, or the "nightingale floor"

Not so long ago my fairly wealthy neighbor cleaned out the apartment. Bugbears acted professionally - quiet, peaceful and enthusiastic. They took everything to the floor and the walls were not screwed. As a result, young lady, taught by bitter experience, decided to put the house alarm.

Master came in suits and workers began to provide security gilded nest. The work as a kind of conspiracy, and began to remember, as soon as the house guard. In the village, for this purpose have a dog - barks and bites, the signaling in apartments - howls and sleep does not. In the USSR, Stalin was a dislike to carpets, discussed as an option of insurance against thieves. But I turn up a clever man, who remembered antiquated method - creaky floor.

But this method is not that his grandfather, he's family tree back rests in the Middle Ages. In Japan, the rich have come up with "music" floors, called nightingale. The essence of this invention is simple - a thief foot steps on the floorboard, and it makes a whistle, like birdsong. The trick is to design that wants to be quieter than the villain, moving on tiptoes, the louder will sing floorboards.

Uguisubari (Nightingale Floor) has a simple structure: to the joists that support the boards, metal spikes are secured bracket 15 cm in length. When the human weight presses on the floorboard, the bracket moves up and down. This creates friction between them and the metal studs. There is a sound like a nightingale singing. The owners wake up in shock thief, police happy as a cat in the Carnival.

While these floors only in the palace of the emperor in Kyoto and in the Russian hinterland. But adopted the technique you need to take - cheap and cheerful, and most importantly - effective. While a thief will play music down the hall, the nearest police outfit will have time to drive up to the intermission.

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