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.
Teacher invents door lock.
Article by tae d.
Kwqc s tiffany liou reports.
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.
June 11 2014 best of nbc news.
Teacher invents emergency school door lock.
The device can secure the door in.
Daniel nitzel a teacher at west middle school in muscatine got the idea from the school s active shooter training.
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.