How does this lock stack up against other popular high-security systems?
Unlike a standard household key that operates a single lock, a "Multikey" system allows one key to operate multiple locks with different bittings. However, in the context of the "1822 Top," "Multikey" often refers to a specific brand or patented keyway (sometimes related to Iseo, FAB, or similar European manufacturers). Multikey systems are famous for their complex, side-bar or dimple-style configurations. multikey 1822 top