Simple mechanical Secretary for locking it through two drawings found on key
Simple mechanical device designed for the developer, and the Secretary of the unlocks using two illustrations that appear on the key (lock – shown through a green lock, and opening – shown through the red lock). Between these two illustrations is located spherical metal which is part of the mechanism. When the key is inserted into the keyhole of the door locking is performed, moving the ball to the locked position. A
Engraver, it remains open side. Prominent display allows more easily see whether the door was locked, and thus becomes the key to a very friendly for use by children and adults alike. Client: Yoav Krochmal.