Sheepdog Tip of the Day, Before Combat tip 190
Make it easy to lock doors from the inside. This is true in schools, workplaces, homes, or anywhere else that you may need to "secure". Putting a key in a lock is a fine motor skill, and when you're stressed in a lockdown situation you lose fine motor skills.
Lt. Col. Dave Grossman, The Bullet Proof Mind seminar (paraphrased)
Sheepdog Tip of the Day services:
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Other killology services:
Bullet Proof Mind for the Armed Citizen Seminar
The Killology web site
Additional Resources
For PTSD, Shepherd Resource Group.