Methods and systems for performing smart matchmaking in a massive multiplayer online game are described herein. Arranged flat between the top water-tight layer and the waste material is at least one water-tight plastic film on which compacted debris is stored as waste material. A plurality of thrust members are present in the supply pipe which, after triggering the gas generator, are accelerated and indirectly or directly drive the drive wheel for winding up the safety belt. The device is used by inserting an object into an opening, thereby forming a continuous seal between the object and the opening and pressing the device against a surface, displacing air to create a partial vacuum in a manner that causes a continuous seal to form between the flexible material and the attachment surface, thereby removably securing the object to the surface. The function includes a linear combination operator of the password and the encrypted username.