Tag: cylindrical

  • Can you use a card to open a knob lock?

    Can you use a card to open a knob lock?

    The technical answer is NO. But if a knob is not installed properly, then a card can just slide in an retract the latch. It is either the contractor don’t know about it (this is the majority case), or he just do a cincai work. Or maybe a lazy locksmith, because he certainly knows about…