It’s a safety system studied to replace the standard security lace, reinserting the firearms into the holster the safety catch which acts on the trigger guard is automatically reactivated; to pull out the holster simply pull side the inside lever, it is possible to insert another level of safety with an amovable catch that block the safety lever (it is possible to use the holster with only one safety system for to take out the catch it is necessary to unscrew the first screw and remove the block cylinder).