I picked up smoking in the army, then gave it up for Copenhagen Long Cut a couple of years later. The best stuff ever. I chewed that shit everywhere, in the tank (no smoking -especially when live rounds are on board), in planes, in movies, in class, in sporting venues, at work (...even in meetings! No one gives a crap!)
Once you replace smoking with chewing, you don't ever have to worry about where you use it! I love it!