“Under-door” style attacks are when an attacker slides a tool through the gap underneath a door, hooks the interior handle from below, and opens the door by pulling the handle downward. This kind of ...

Instrument Technology's Under-Door Scope slides under doors in less than 1/4-inch space. The entire room from the floor up may be observed with its 30-degree offset line of sight and integrated ...

“Under-door” style attacks are when an attacker slides a tool through the gap underneath a door, hooks the interior handle from below, and opens the door by pulling the handle downward. This kind of ...