This facebook post has gone viral since the school shooting in Parkland, FL.

A woman by the name of Katie Cornelis posted a photo of a door stop and said that she gave this to two of her family members after the Sandy Hook school shooting and she wanted others to know of this "tool" in the event of a school shooting.

She says that she instructed her family members to keep this is their backpacks and to use it if their school ever went under a lockdown.

By jamming the classroom door with this door stop, she says that it would prevent someone from entering the room that they are in. Yes, giving students and their teacher "time."

This is great advice, but it breaks my heart that we are having to do this in SCHOOLS. However, if a door stop is what it takes to save lives---I'm all for it!

Teachers and parents, this may be something worth considering.

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