Teacherlock is the 1 rated school security door lock invented by an elementary school principal amy emma is an elementary principal at a massachusetts public school.
Teacher invents door lock.
An iowa teacher invents a school door lock which is designed to be installed in seconds to keep dangerous intruders out of classrooms.
Most other emergency door lock devices on the market require permanent attachment to the door frame which could be maliciously triggered to say lock out a teacher who steps into the hallway for.
Daniel nitzel a teacher at west middle school in muscatine got the idea from the school s active shooter training.
Article by tae d.
An iowa teacher invents a school door lock which is designed to be installed in seconds to keep dangerous intruders out of classrooms.
Teacher invents emergency school door lock.
Kwqc s tiffany liou reports.
The portable affordable lockdown device also known as pals is a steel rope encased in plastic that loops over a door handle and attaches to an eye bolt in wall.
We were instructed to tie a belt or a cord around the closer arm.