Rat Trap Bond Method in Construction is also known as Chinese bond. In fact, the Chinese bond is a method used when you are constructing with bricks. Then, the bricks have a special way of placing and arranging. Generally, they are placed in vertical position and with that they leave a hollow space in the wall. Furthermore, this method is used for residence, school, office buildings and else. Mainly, their purpose is to store and hide the wires.