Nowadays, castle laminates are widely used on the market, which are divided into two categories, with a honors from a way of snap. The first category includes a double castle, which carries the name "Click", and the second category of laminate connection locks with latches like "Lock". The difference between the locks is caused by the design features of the mounted parts. The advantage of the Click castle is that it has the strength of the connection, and when laying the laminate will not harm the material. This is the most recommended laminate connecting method. Lock locks are much cheaper in price, which several affects the quality of the connection of the material.