I recommend all teachers to learn of to do this for their classroom safety. This should work for all doors in the classrooms. Please share for others to learn more ways to protect our schools!😎✨🎥Credit : babydrip7🍎 Like our page Teachers Nowadays for more teaching ideas and methods. A team of teachers sharing the highs, lows and honest aspects of teaching! #teachertable #teachersofinstagram #teachersfollowteachers #teachersofig #teachersofthegram #teacherlife #teachergram #iteach #iteachtoo #