LOL Most people are not smart enough to know what to look for. I think you are worrying needlessly. I used to do the same thing. After I carried for a while I didnt care anymore. YES, you print more through the shirt. So do people know what you have? NO. They are clueless. It could be a cell phone PDA ect. My usual "uniform" is jeans and a Tshirt.
Texas, the only State to Have Ever Kicked Another Country's Butt