During a lethal-force encounter inside your home with home defense weapons, you don’t want to hit a family member or other innocent people. It’s important to learn which objects in your home make safe backstops and which will not stop a round that’s been fired.

Personal Defense Network’s Rob Pincus fires a pistol, carbine and shotgun at a stack of books to help evaluate their effectiveness as backstops. Great video to get you thinking about what to do in your home to protect your family’s safety while neutralizing a potential active threat.