Well, so do I. 'Course it looks like this (one would after twenty years):
Keep one for tools and one for a drop-kit. Although I haul around enough other miscellaneous junk in the later that I've been accused of carrying a "man purse".
Sure, you have to get over the fact that you look like a supporting character on Lou Grant, but it's a great way to travel. I had exactly one item to pass through the X-Ray, and breezed right past the lines of people waiting for bag checks at the museums.