Thermos Bottle
I worked a dangerous job driving nights, where we were forbidden to carry weapons, but had to carry lunch. Uh, huh. So, I got a short, wide-mouth plastic thermos bottle, the kind you use for soup or stew. These unscrew so that you can remove the glass liner. Some careful carving of plastic, and the insertion of a carved plastic empty cream cheeze tub, made a perfect fit for a Beretta 21A. A quick spin made the lid fly off, revealing easy grab access of the gun. The thermos sat on the dashboard every night, hidden in plain sight.....................elsullo