To a lot of guys, when they think of hair brushes the first thing that comes to mind is something with bristles, a handle, and a lot of their wife’s hair. But for men’s shorter hair, sometimes a more traditional design can have better results, and that’s where the military hair brush comes in. So what is a military hair brush? And can you only get one if you enlist? Luckily, a rank in the army isn’t required for…