I have two children that are very curious about everything dad does in the shop.  They ask a lot of questions about the guns that come through here.  For years I have had a shop safe, but nothing in the house.  The kids were too small to climb, so our home defense firearms stayed on top of furniture or on the top shelf in the closet. Now that they are older, we decided that there needed to be something to protect the kids from themselves.  They...